51076992 has 32 divisors (see below), whose sum is σ = 135674280. Its totient is φ = 17025536.

The previous prime is 51076957. The next prime is 51077003. The reversal of 51076992 is 29967015.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×51076992² = 5217718223536128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51076992.

It is a congruent number.

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, 66123 + ... + 66890.

Almost surely, 2^51076992 is an apocalyptic number.

It is an amenable number.

51076992 is an abundant number, since it is smaller than the sum of its proper divisors (84597288).

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

51076992 is a wasteful number, since it uses less digits than its factorization.

51076992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133030 (or 133018 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 51076992 is about 7146.8169138435. The cubic root of 51076992 is about 371.0294971013.

The spelling of 51076992 in words is "fifty-one million, seventy-six thousand, nine hundred ninety-two".