56818042 has 8 divisors (see below), whose sum is σ = 85669236. Its totient is φ = 28261632.

The previous prime is 56818031. The next prime is 56818043. The reversal of 56818042 is 24081865.

It can be written as a sum of positive squares in 2 ways, for example, as 52693081 + 4124961 = 7259^2 + 2031^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56817989 and 56818007.

It is not an unprimeable number, because it can be changed into a prime (56818043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73213 + ... + 73984.

Almost surely, 2^56818042 is an apocalyptic number.

56818042 is a deficient number, since it is larger than the sum of its proper divisors (28851194).

56818042 is a wasteful number, since it uses less digits than its factorization.

56818042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147392.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 56818042 is about 7537.7743399494. The cubic root of 56818042 is about 384.4401645703.

The spelling of 56818042 in words is "fifty-six million, eight hundred eighteen thousand, forty-two".