51058992 has 20 divisors (see below), whose sum is σ = 131902520. Its totient is φ = 17019648.

The previous prime is 51058991. The next prime is 51058993. The reversal of 51058992 is 29985015.

It is an interprime number because it is at equal distance from previous prime (51058991) and next prime (51058993).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51058992.

It is not an unprimeable number, because it can be changed into a prime (51058991) 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, 531817 + ... + 531912.

It is an arithmetic number, because the mean of its divisors is an integer number (6595126).

Almost surely, 2^51058992 is an apocalyptic number.

It is an amenable number.

51058992 is an abundant number, since it is smaller than the sum of its proper divisors (80843528).

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

51058992 is a wasteful number, since it uses less digits than its factorization.

51058992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063740 (or 1063734 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 51058992 is about 7145.5575009932. The cubic root of 51058992 is about 370.9859072489.

The spelling of 51058992 in words is "fifty-one million, fifty-eight thousand, nine hundred ninety-two".