56210730 has 32 divisors (see below), whose sum is σ = 136759104. Its totient is φ = 14783616.

The previous prime is 56210717. The next prime is 56210741. The reversal of 56210730 is 3701265.

It is a self number, because there is not a number n which added to its sum of digits gives 56210730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10644 + ... + 15023.

It is an arithmetic number, because the mean of its divisors is an integer number (4273722).

Almost surely, 2^56210730 is an apocalyptic number.

56210730 is an abundant number, since it is smaller than the sum of its proper divisors (80548374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56210730 is a wasteful number, since it uses less digits than its factorization.

56210730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25750.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 56210730 is about 7497.3815429122. The cubic root of 56210730 is about 383.0655310795.

Adding to 56210730 its reverse (3701265), we get a palindrome (59911995).

The spelling of 56210730 in words is "fifty-six million, two hundred ten thousand, seven hundred thirty".