55722118032 has 240 divisors, whose sum is σ = 186226080768. Its totient is φ = 15207540480.

The previous prime is 55722118019. The next prime is 55722118051. The reversal of 55722118032 is 23081122755.

55722118032 is a `hidden beast` number, since 5 + 572 + 2 + 1 + 1 + 80 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25292643 + ... + 25294845.

Almost surely, 2^55722118032 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 55722118032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93113040384).

55722118032 is an abundant number, since it is smaller than the sum of its proper divisors (130503962736).

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

55722118032 is a wasteful number, since it uses less digits than its factorization.

55722118032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 55722118032 in words is "fifty-five billion, seven hundred twenty-two million, one hundred eighteen thousand, thirty-two".