56630842 has 24 divisors (see below), whose sum is σ = 91403316. Its totient is φ = 26222976.

The previous prime is 56630837. The next prime is 56630843. The reversal of 56630842 is 24803665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56535361 + 95481 = 7519^2 + 309^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 56630798 and 56630807.

It is not an unprimeable number, because it can be changed into a prime (56630843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360628 + ... + 360784.

Almost surely, 2^56630842 is an apocalyptic number.

56630842 is a deficient number, since it is larger than the sum of its proper divisors (34772474).

56630842 is a wasteful number, since it uses less digits than its factorization.

56630842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 56630842 is about 7525.3466365344. The cubic root of 56630842 is about 384.0174914269.

The spelling of 56630842 in words is "fifty-six million, six hundred thirty thousand, eight hundred forty-two".