51522868 has 12 divisors (see below), whose sum is σ = 93073792. Its totient is φ = 24930360.

The previous prime is 51522853. The next prime is 51522881. The reversal of 51522868 is 86822515.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 207630 + ... + 207877.

Almost surely, 2^51522868 is an apocalyptic number.

It is an amenable number.

51522868 is a deficient number, since it is larger than the sum of its proper divisors (41550924).

51522868 is a wasteful number, since it uses less digits than its factorization.

51522868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415542 (or 415540 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 51522868 is about 7177.9431594294. The cubic root of 51522868 is about 372.1060032438.

The spelling of 51522868 in words is "fifty-one million, five hundred twenty-two thousand, eight hundred sixty-eight".