56787222528 has 480 divisors, whose sum is σ = 179678499840. Its totient is φ = 17694720000.

The previous prime is 56787222521. The next prime is 56787222577. The reversal of 56787222528 is 82522278765.

56787222528 is a `hidden beast` number, since 567 + 8 + 7 + 2 + 22 + 52 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (7526400) is a multiple of the sum of its prime factors (210).

It is not an unprimeable number, because it can be changed into a prime (56787222521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562249678 + ... + 562249778.

It is an arithmetic number, because the mean of its divisors is an integer number (374330208).

Almost surely, 2^56787222528 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 56787222528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89839249920).

56787222528 is an abundant number, since it is smaller than the sum of its proper divisors (122891277312).

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

56787222528 is a wasteful number, since it uses less digits than its factorization.

56787222528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 178 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The spelling of 56787222528 in words is "fifty-six billion, seven hundred eighty-seven million, two hundred twenty-two thousand, five hundred twenty-eight".