51308592 has 40 divisors (see below), whose sum is σ = 133443840. Its totient is φ = 16987200.

The previous prime is 51308581. The next prime is 51308599. The reversal of 51308592 is 29580315.

It is a super-2 number, since 2×51308592² = 5265143226044928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51308599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3709 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (3336096).

Almost surely, 2^51308592 is an apocalyptic number.

It is an amenable number.

51308592 is an abundant number, since it is smaller than the sum of its proper divisors (82135248).

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

51308592 is a wasteful number, since it uses less digits than its factorization.

51308592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 51308592 is about 7163.0016054724. The cubic root of 51308592 is about 371.5894418393.

The spelling of 51308592 in words is "fifty-one million, three hundred eight thousand, five hundred ninety-two".