51585792 has 36 divisors (see below), whose sum is σ = 137295480. Its totient is φ = 17195008.

The previous prime is 51585791. The next prime is 51585823. The reversal of 51585792 is 29758515.

It is a super-2 number, since 2×51585792² = 5322187872534528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51585791) 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, 32817 + ... + 34352.

Almost surely, 2^51585792 is an apocalyptic number.

It is an amenable number.

51585792 is an abundant number, since it is smaller than the sum of its proper divisors (85709688).

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

51585792 is an equidigital number, since it uses as much as digits as its factorization.

51585792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67188 (or 67174 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 51585792 is about 7182.3249717623. The cubic root of 51585792 is about 372.2574238566.

The spelling of 51585792 in words is "fifty-one million, five hundred eighty-five thousand, seven hundred ninety-two".