56642338 has 8 divisors (see below), whose sum is σ = 87259932. Its totient is φ = 27555696.

The previous prime is 56642329. The next prime is 56642347. The reversal of 56642338 is 83324665.

It is an interprime number because it is at equal distance from previous prime (56642329) and next prime (56642347).

It can be written as a sum of positive squares in 2 ways, for example, as 46826649 + 9815689 = 6843^2 + 3133^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 56642297 and 56642306.

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, 382645 + ... + 382792.

Almost surely, 2^56642338 is an apocalyptic number.

56642338 is a deficient number, since it is larger than the sum of its proper divisors (30617594).

56642338 is a wasteful number, since it uses less digits than its factorization.

56642338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765476.

The product of its digits is 103680, while the sum is 37.

The square root of 56642338 is about 7526.1104164103. The cubic root of 56642338 is about 384.0434747147.

The spelling of 56642338 in words is "fifty-six million, six hundred forty-two thousand, three hundred thirty-eight".