51552788 has 12 divisors (see below), whose sum is σ = 103105632. Its totient is φ = 22094040.

The previous prime is 51552779. The next prime is 51552791. The reversal of 51552788 is 88725515.

51552788 is an admirable number.

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, 920558 + ... + 920613.

It is an arithmetic number, because the mean of its divisors is an integer number (8592136).

Almost surely, 2^51552788 is an apocalyptic number.

It is an amenable number.

51552788 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.

51552788 is a wasteful number, since it uses less digits than its factorization.

51552788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841182 (or 1841180 counting only the distinct ones).

The product of its digits is 112000, while the sum is 41.

The square root of 51552788 is about 7180.0270194478. The cubic root of 51552788 is about 372.1780182385.

The spelling of 51552788 in words is "fifty-one million, five hundred fifty-two thousand, seven hundred eighty-eight".