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55100511000 = 23325337337491
BaseRepresentation
bin110011010100001111…
…110001001100011000
312021020001022222100200
4303110033301030120
51400321212323000
641151323102200
73660304421133
oct632417611430
9167201288320
1055100511000
11214058904a7
12a819071960
135271690882
142949cb721a
151677552500
hexcd43f1318

55100511000 has 384 divisors, whose sum is σ = 192231524160. Its totient is φ = 14224896000.

The previous prime is 55100510981. The next prime is 55100511013. The reversal of 55100511000 is 11500155.

55100511000 is a `hidden beast` number, since 5 + 510 + 0 + 51 + 100 + 0 = 666.

It is a super-2 number, since 2×551005110002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 95 ways as a sum of consecutive naturals, for example, 112220755 + ... + 112221245.

Almost surely, 255100511000 is an apocalyptic number.

55100511000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55100511000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96115762080).

55100511000 is an abundant number, since it is smaller than the sum of its proper divisors (137131013160).

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

55100511000 is a wasteful number, since it uses less digits than its factorization.

55100511000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The spelling of 55100511000 in words is "fifty-five billion, one hundred million, five hundred eleven thousand".