55551612004032 has 112 divisors (see below), whose sum is σ = 150568777400832. Its totient is φ = 18065134725120.

The previous prime is 55551612003997. The next prime is 55551612004111. The reversal of 55551612004032 is 23040021615555.

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 15 ways as a sum of consecutive naturals, for example, 651184293 + ... + 651269595.

It is an arithmetic number, because the mean of its divisors is an integer number (1344364083936).

Almost surely, 2^{55551612004032} is an apocalyptic number.

It is an amenable number.

55551612004032 is an abundant number, since it is smaller than the sum of its proper divisors (95017165396800).

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

55551612004032 is a wasteful number, since it uses less digits than its factorization.

55551612004032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168086 (or 168076 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 55551612004032 its reverse (23040021615555), we get a palindrome (78591633619587).

The spelling of 55551612004032 in words is "fifty-five trillion, five hundred fifty-one billion, six hundred twelve million, four thousand, thirty-two".