51488512 has 36 divisors (see below), whose sum is σ = 108830736. Its totient is φ = 24227840.

The previous prime is 51488509. The next prime is 51488539. The reversal of 51488512 is 21588415.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 1564 + ... + 10267.

It is an arithmetic number, because the mean of its divisors is an integer number (3023076).

Almost surely, 2^51488512 is an apocalyptic number.

It is an amenable number.

51488512 is an abundant number, since it is smaller than the sum of its proper divisors (57342224).

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

51488512 is a wasteful number, since it uses less digits than its factorization.

51488512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864 (or 11850 counting only the distinct ones).

The product of its digits is 12800, while the sum is 34.

The square root of 51488512 is about 7175.5495956756. The cubic root of 51488512 is about 372.0232767645.

The spelling of 51488512 in words is "fifty-one million, four hundred eighty-eight thousand, five hundred twelve".