51130564 has 12 divisors (see below), whose sum is σ = 93369024. Its totient is φ = 24453704.

The previous prime is 51130537. The next prime is 51130571. The reversal of 51130564 is 46503115.

It is a super-2 number, since 2×51130564² = 5228669149916192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277792 + ... + 277975.

It is an arithmetic number, because the mean of its divisors is an integer number (7780752).

Almost surely, 2^51130564 is an apocalyptic number.

It is an amenable number.

51130564 is a deficient number, since it is larger than the sum of its proper divisors (42238460).

51130564 is a wasteful number, since it uses less digits than its factorization.

51130564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555794 (or 555792 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51130564 is about 7150.5638938478. The cubic root of 51130564 is about 371.1591696228.

Adding to 51130564 its reverse (46503115), we get a palindrome (97633679).

The spelling of 51130564 in words is "fifty-one million, one hundred thirty thousand, five hundred sixty-four".