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55706066000 = 2453132142541
BaseRepresentation
bin110011111000010101…
…110001110001010000
312022210020210100122122
4303320111301301100
51403041223103000
641331354153412
74011306514454
oct637025616120
9168706710578
1055706066000
1121696692982
12a967a22868
135339c82a40
1429a64a8664
1516b07bb085
hexcf8571c50

55706066000 has 80 divisors (see below), whose sum is σ = 145058663568. Its totient is φ = 20568384000.

The previous prime is 55706065981. The next prime is 55706066011. The reversal of 55706066000 is 66060755.

It can be written as a sum of positive squares in 8 ways, for example, as 36862464016 + 18843601984 = 191996^2 + 137272^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045271 + ... + 1097270.

Almost surely, 255706066000 is an apocalyptic number.

55706066000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55706066000 is an abundant number, since it is smaller than the sum of its proper divisors (89352597568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55706066000 is a wasteful number, since it uses less digits than its factorization.

55706066000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142577 (or 2142561 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 55706066000 in words is "fifty-five billion, seven hundred six million, sixty-six thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 125 130 200 208 250 260 325 400 500 520 650 1000 1040 1300 1625 2000 2600 3250 5200 6500 13000 26000 2142541 4285082 8570164 10712705 17140328 21425410 27853033 34280656 42850820 53563525 55706066 85701640 107127050 111412132 139265165 171403280 214254100 222824264 267817625 278530330 428508200 445648528 535635250 557060660 696325825 857016400 1071270500 1114121320 1392651650 2142541000 2228242640 2785303300 3481629125 4285082000 5570606600 6963258250 11141213200 13926516500 27853033000 55706066000