56802818 has 8 divisors (see below), whose sum is σ = 89688720. Its totient is φ = 26906580.

The previous prime is 56802791. The next prime is 56802821. The reversal of 56802818 is 81820865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56802818² = 6453120265482248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1494811 = 56802818 / (5 + 6 + 8 + 0 + 2 + 8 + 1 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747368 + ... + 747443.

It is an arithmetic number, because the mean of its divisors is an integer number (11211090).

Almost surely, 2^56802818 is an apocalyptic number.

56802818 is a deficient number, since it is larger than the sum of its proper divisors (32885902).

56802818 is a wasteful number, since it uses less digits than its factorization.

56802818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494832.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 56802818 is about 7536.7644251363. The cubic root of 56802818 is about 384.4058254786.

The spelling of 56802818 in words is "fifty-six million, eight hundred two thousand, eight hundred eighteen".