56512230 has 32 divisors (see below), whose sum is σ = 137857248. Its totient is φ = 14822400.

The previous prime is 56512229. The next prime is 56512243. The reversal of 56512230 is 3221565.

It is a self number, because there is not a number n which added to its sum of digits gives 56512230.

It is a congruent number.

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, 13611 + ... + 17270.

It is an arithmetic number, because the mean of its divisors is an integer number (4308039).

Almost surely, 2^56512230 is an apocalyptic number.

56512230 is an abundant number, since it is smaller than the sum of its proper divisors (81345018).

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

56512230 is a wasteful number, since it uses less digits than its factorization.

56512230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30952.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56512230 is about 7517.4616726658. The cubic root of 56512230 is about 383.7491987520.

Adding to 56512230 its reverse (3221565), we get a palindrome (59733795).

The spelling of 56512230 in words is "fifty-six million, five hundred twelve thousand, two hundred thirty".