51590564 has 12 divisors (see below), whose sum is σ = 94209024. Its totient is φ = 24673704.

The previous prime is 51590533. The next prime is 51590569. The reversal of 51590564 is 46509515.

It is not an unprimeable number, because it can be changed into a prime (51590569) 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, 280292 + ... + 280475.

It is an arithmetic number, because the mean of its divisors is an integer number (7850752).

Almost surely, 2^51590564 is an apocalyptic number.

It is an amenable number.

51590564 is a deficient number, since it is larger than the sum of its proper divisors (42618460).

51590564 is a wasteful number, since it uses less digits than its factorization.

51590564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560794 (or 560792 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 51590564 is about 7182.6571684858. The cubic root of 51590564 is about 372.2689021958.

The spelling of 51590564 in words is "fifty-one million, five hundred ninety thousand, five hundred sixty-four".