55585653120 has 96 divisors (see below), whose sum is σ = 191944228320. Its totient is φ = 14822839296.

The previous prime is 55585653047. The next prime is 55585653127. The reversal of 55585653120 is 2135658555.

It is a happy number.

55585653120 is a `hidden beast` number, since 5 + 5 + 58 + 565 + 31 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55585653127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4819384 + ... + 4830903.

It is an arithmetic number, because the mean of its divisors is an integer number (1999419045).

Almost surely, 2^55585653120 is an apocalyptic number.

It is an amenable number.

55585653120 is an abundant number, since it is smaller than the sum of its proper divisors (136358575200).

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

55585653120 is a wasteful number, since it uses less digits than its factorization.

55585653120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650312 (or 9650297 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 45.

The spelling of 55585653120 in words is "fifty-five billion, five hundred eighty-five million, six hundred fifty-three thousand, one hundred twenty".