51527992 has 8 divisors (see below), whose sum is σ = 96615000. Its totient is φ = 25763992.

The previous prime is 51527989. The next prime is 51528007. The reversal of 51527992 is 29972515.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220492 + ... + 3220507.

It is an arithmetic number, because the mean of its divisors is an integer number (12076875).

Almost surely, 2^51527992 is an apocalyptic number.

It is an amenable number.

51527992 is a deficient number, since it is larger than the sum of its proper divisors (45087008).

51527992 is a wasteful number, since it uses less digits than its factorization.

51527992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6441005 (or 6441001 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 51527992 is about 7178.3000773164. The cubic root of 51527992 is about 372.1183382711.

The spelling of 51527992 in words is "fifty-one million, five hundred twenty-seven thousand, nine hundred ninety-two".