56645030 has 16 divisors (see below), whose sum is σ = 109804464. Its totient is φ = 20915040.

The previous prime is 56645009. The next prime is 56645053. The reversal of 56645030 is 3054665.

It is a junction number, because it is equal to n+sod(n) for n = 56644984 and 56645002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217736 + ... + 217995.

It is an arithmetic number, because the mean of its divisors is an integer number (6862779).

Almost surely, 2^56645030 is an apocalyptic number.

56645030 is a deficient number, since it is larger than the sum of its proper divisors (53159434).

56645030 is a wasteful number, since it uses less digits than its factorization.

56645030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435751.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56645030 is about 7526.2892583264. The cubic root of 56645030 is about 384.0495586717.

Adding to 56645030 its reverse (3054665), we get a palindrome (59699695).

The spelling of 56645030 in words is "fifty-six million, six hundred forty-five thousand, thirty".