55012038536 has 160 divisors (see below), whose sum is σ = 130535563200. Its totient is φ = 21604060800.

The previous prime is 55012038527. The next prime is 55012038551. The reversal of 55012038536 is 63583021055.

It is a self number, because there is not a number n which added to its sum of digits gives 55012038536.

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 39 ways as a sum of consecutive naturals, for example, 37704575 + ... + 37706033.

It is an arithmetic number, because the mean of its divisors is an integer number (815847270).

Almost surely, 2^55012038536 is an apocalyptic number.

55012038536 is a gapful number since it is divisible by the number (56) 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 55012038536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65267781600).

55012038536 is an abundant number, since it is smaller than the sum of its proper divisors (75523524664).

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

55012038536 is a wasteful number, since it uses less digits than its factorization.

55012038536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 55012038536 in words is "fifty-five billion, twelve million, thirty-eight thousand, five hundred thirty-six".