51026992 has 20 divisors (see below), whose sum is σ = 102054976. Its totient is φ = 24690240.

The previous prime is 51026981. The next prime is 51027089. The reversal of 51026992 is 29962015.

51026992 is an admirable 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, 50943 + ... + 51934.

Almost surely, 2^51026992 is an apocalyptic number.

It is an amenable number.

51026992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51026992 is a wasteful number, since it uses less digits than its factorization.

51026992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102916 (or 102910 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 51026992 is about 7143.3179965615. The cubic root of 51026992 is about 370.9083888759.

The spelling of 51026992 in words is "fifty-one million, twenty-six thousand, nine hundred ninety-two".