56670458 has 16 divisors (see below), whose sum is σ = 94020360. Its totient is φ = 25448256.

The previous prime is 56670457. The next prime is 56670463. The reversal of 56670458 is 85407665.

It can be written as a sum of positive squares in 4 ways, for example, as 32296489 + 24373969 = 5683^2 + 4937^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56670457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28493 + ... + 30416.

Almost surely, 2^56670458 is an apocalyptic number.

56670458 is a deficient number, since it is larger than the sum of its proper divisors (37349902).

56670458 is a wasteful number, since it uses less digits than its factorization.

56670458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58961.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 56670458 is about 7527.9783474715. The cubic root of 56670458 is about 384.1070167946.

The spelling of 56670458 in words is "fifty-six million, six hundred seventy thousand, four hundred fifty-eight".