55625317512 has 16 divisors (see below), whose sum is σ = 139063293840. Its totient is φ = 18541772496.

The previous prime is 55625317493. The next prime is 55625317519. The reversal of 55625317512 is 21571352655.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55625317519) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1158860758 + ... + 1158860805.

It is an arithmetic number, because the mean of its divisors is an integer number (8691455865).

Almost surely, 2^55625317512 is an apocalyptic number.

It is an amenable number.

55625317512 is an abundant number, since it is smaller than the sum of its proper divisors (83437976328).

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

55625317512 is a wasteful number, since it uses less digits than its factorization.

55625317512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317721572 (or 2317721568 counting only the distinct ones).

The product of its digits is 315000, while the sum is 42.

The spelling of 55625317512 in words is "fifty-five billion, six hundred twenty-five million, three hundred seventeen thousand, five hundred twelve".