51501488 has 10 divisors (see below), whose sum is σ = 99784164. Its totient is φ = 25750736.

The previous prime is 51501479. The next prime is 51501491. The reversal of 51501488 is 88410515.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609406 + ... + 1609437.

Almost surely, 2^51501488 is an apocalyptic number.

It is an amenable number.

51501488 is a deficient number, since it is larger than the sum of its proper divisors (48282676).

51501488 is a wasteful number, since it uses less digits than its factorization.

51501488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218851 (or 3218845 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 51501488 is about 7176.4537203273. The cubic root of 51501488 is about 372.0545262503.

The spelling of 51501488 in words is "fifty-one million, five hundred one thousand, four hundred eighty-eight".