56742818 has 16 divisors (see below), whose sum is σ = 94829184. Its totient is φ = 25242960.

The previous prime is 56742809. The next prime is 56742823. The reversal of 56742818 is 81824765.

56742818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56742818² = 6439494789162248, which contains 22 as substring.

It is an unprimeable number.

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, 26405 + ... + 28472.

It is an arithmetic number, because the mean of its divisors is an integer number (5926824).

Almost surely, 2^56742818 is an apocalyptic number.

56742818 is a deficient number, since it is larger than the sum of its proper divisors (38086366).

56742818 is a wasteful number, since it uses less digits than its factorization.

56742818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54937.

The product of its digits is 107520, while the sum is 41.

The square root of 56742818 is about 7532.7828854946. The cubic root of 56742818 is about 384.2704303465.

The spelling of 56742818 in words is "fifty-six million, seven hundred forty-two thousand, eight hundred eighteen".