56890810 has 16 divisors (see below), whose sum is σ = 102789000. Its totient is φ = 22670656.

The previous prime is 56890781. The next prime is 56890817. The reversal of 56890810 is 1809865.

56890810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18809569 + 38081241 = 4337^2 + 6171^2 .

It is a super-2 number, since 2×56890810² = 6473128524912200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56890810.

It is not an unprimeable number, because it can be changed into a prime (56890817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885 + ... + 13264.

Almost surely, 2^56890810 is an apocalyptic number.

56890810 is a deficient number, since it is larger than the sum of its proper divisors (45898190).

56890810 is a wasteful number, since it uses less digits than its factorization.

56890810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21425.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 56890810 is about 7542.5996844589. The cubic root of 56890810 is about 384.6042146192.

It can be divided in two parts, 568 and 90810, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 56890810 in words is "fifty-six million, eight hundred ninety thousand, eight hundred ten".