56305628 has 12 divisors (see below), whose sum is σ = 100938432. Its totient is φ = 27466080.

The previous prime is 56305621. The next prime is 56305631. The reversal of 56305628 is 82650365.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56305621) 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, 171500 + ... + 171827.

It is an arithmetic number, because the mean of its divisors is an integer number (8411536).

Almost surely, 2^56305628 is an apocalyptic number.

It is an amenable number.

56305628 is a deficient number, since it is larger than the sum of its proper divisors (44632804).

56305628 is a wasteful number, since it uses less digits than its factorization.

56305628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343372 (or 343370 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 56305628 is about 7503.7076169051. The cubic root of 56305628 is about 383.2809805420.

The spelling of 56305628 in words is "fifty-six million, three hundred five thousand, six hundred twenty-eight".