56077990 has 16 divisors (see below), whose sum is σ = 101194560. Its totient is φ = 22374720.

The previous prime is 56077981. The next prime is 56077997. The reversal of 56077990 is 9977065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56077997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2766 + ... + 10945.

It is an arithmetic number, because the mean of its divisors is an integer number (6324660).

Almost surely, 2^56077990 is an apocalyptic number.

56077990 is a deficient number, since it is larger than the sum of its proper divisors (45116570).

56077990 is a wasteful number, since it uses less digits than its factorization.

56077990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127.

The product of its (nonzero) digits is 119070, while the sum is 43.

The square root of 56077990 is about 7488.5238865881. The cubic root of 56077990 is about 382.7637607197.

The spelling of 56077990 in words is "fifty-six million, seventy-seven thousand, nine hundred ninety".