55412044032 has 72 divisors (see below), whose sum is σ = 147879442816. Its totient is φ = 18420258816.

The previous prime is 55412044013. The next prime is 55412044069. The reversal of 55412044032 is 23044021455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183558 + ... + 380154.

Almost surely, 2^55412044032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55412044032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73939721408).

55412044032 is an abundant number, since it is smaller than the sum of its proper divisors (92467398784).

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

55412044032 is a wasteful number, since it uses less digits than its factorization.

55412044032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196983 (or 196969 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 55412044032 its reverse (23044021455), we get a palindrome (78456065487).

The spelling of 55412044032 in words is "fifty-five billion, four hundred twelve million, forty-four thousand, thirty-two".