56884690 has 16 divisors (see below), whose sum is σ = 105696000. Its totient is φ = 22019760.

The previous prime is 56884679. The next prime is 56884693. The reversal of 56884690 is 9648865.

It is a super-2 number, since 2×56884690² = 6471735912792200, 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 56884690.

It is not an unprimeable number, because it can be changed into a prime (56884693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91440 + ... + 92059.

It is an arithmetic number, because the mean of its divisors is an integer number (6606000).

Almost surely, 2^56884690 is an apocalyptic number.

56884690 is a deficient number, since it is larger than the sum of its proper divisors (48811310).

56884690 is a wasteful number, since it uses less digits than its factorization.

56884690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183537.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 56884690 is about 7542.1939778820. The cubic root of 56884690 is about 384.5904229236.

It can be divided in two parts, 568 and 84690, that added together give a palindrome (85258).

The spelling of 56884690 in words is "fifty-six million, eight hundred eighty-four thousand, six hundred ninety".