56623402 has 32 divisors (see below), whose sum is σ = 94867200. Its totient is φ = 25342240.

The previous prime is 56623373. The next prime is 56623409. The reversal of 56623402 is 20432665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56623409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236799 + ... + 237037.

It is an arithmetic number, because the mean of its divisors is an integer number (2964600).

Almost surely, 2^56623402 is an apocalyptic number.

56623402 is a deficient number, since it is larger than the sum of its proper divisors (38243798).

56623402 is a wasteful number, since it uses less digits than its factorization.

56623402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 56623402 is about 7524.8522909091. The cubic root of 56623402 is about 384.0006736461. Note that the first 3 decimals are identical.

The spelling of 56623402 in words is "fifty-six million, six hundred twenty-three thousand, four hundred two".