56740992 has 256 divisors, whose sum is σ = 199756800. Its totient is φ = 13824000.

The previous prime is 56740991. The next prime is 56740997. The reversal of 56740992 is 29904765.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56740991) 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, 561742 + ... + 561842.

It is an arithmetic number, because the mean of its divisors is an integer number (780300).

Almost surely, 2^56740992 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 56740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99878400).

56740992 is an abundant number, since it is smaller than the sum of its proper divisors (143015808).

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

56740992 is a wasteful number, since it uses less digits than its factorization.

56740992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 56740992 is about 7532.6616809731. The cubic root of 56740992 is about 384.2663083250.

The spelling of 56740992 in words is "fifty-six million, seven hundred forty thousand, nine hundred ninety-two".