Search a number
-
+
55053971120 = 2453591916921
BaseRepresentation
bin110011010001011110…
…001110111010110000
312021002210202111122102
4303101132032322300
51400222304033440
641142541355532
73656201014301
oct632136167260
9167083674572
1055053971120
1121391593395
12a805568ba8
135264b47395
142943a407a8
15167340cb15
hexcd178eeb0

55053971120 has 40 divisors (see below), whose sum is σ = 128357097120. Its totient is φ = 21960235520.

The previous prime is 55053971117. The next prime is 55053971149. The reversal of 55053971120 is 2117935055.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929741 + ... + 987180.

It is an arithmetic number, because the mean of its divisors is an integer number (3208927428).

Almost surely, 255053971120 is an apocalyptic number.

It is an amenable number.

55053971120 is an abundant number, since it is smaller than the sum of its proper divisors (73303126000).

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

55053971120 is a wasteful number, since it uses less digits than its factorization.

55053971120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917293 (or 1917287 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 38.

The spelling of 55053971120 in words is "fifty-five billion, fifty-three million, nine hundred seventy-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 359 718 1436 1795 2872 3590 5744 7180 14360 28720 1916921 3833842 7667684 9584605 15335368 19169210 30670736 38338420 76676840 153353680 688174639 1376349278 2752698556 3440873195 5505397112 6881746390 11010794224 13763492780 27526985560 55053971120