51130584 has 48 divisors (see below), whose sum is σ = 141102000. Its totient is φ = 16720704.

The previous prime is 51130571. The next prime is 51130591. The reversal of 51130584 is 48503115.

51130584 is a `hidden beast` number, since 51 + 1 + 30 + 584 = 666.

It is a super-2 number, since 2×51130584² = 5228673240362112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2884 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (2939625).

Almost surely, 2^51130584 is an apocalyptic number.

It is an amenable number.

51130584 is an abundant number, since it is smaller than the sum of its proper divisors (89971416).

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

51130584 is a wasteful number, since it uses less digits than its factorization.

51130584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13464 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51130584 is about 7150.5652923388. The cubic root of 51130584 is about 371.1592180164.

Adding to 51130584 its reverse (48503115), we get a palindrome (99633699).

The spelling of 51130584 in words is "fifty-one million, one hundred thirty thousand, five hundred eighty-four".