55256764032 has 320 divisors, whose sum is σ = 172428600960. Its totient is φ = 17545973760.

The previous prime is 55256763953. The next prime is 55256764033. The reversal of 55256764032 is 23046765255.

55256764032 is a `hidden beast` number, since 5 + 52 + 567 + 6 + 4 + 0 + 32 = 666.

55256764032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55256764033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18277273 + ... + 18280295.

It is an arithmetic number, because the mean of its divisors is an integer number (538839378).

Almost surely, 2^55256764032 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 55256764032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86214300480).

55256764032 is an abundant number, since it is smaller than the sum of its proper divisors (117171836928).

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

55256764032 is a wasteful number, since it uses less digits than its factorization.

55256764032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 55256764032 in words is "fifty-five billion, two hundred fifty-six million, seven hundred sixty-four thousand, thirty-two".