51957428 has 12 divisors (see below), whose sum is σ = 92283072. Its totient is φ = 25590840.

The previous prime is 51957427. The next prime is 51957449. The reversal of 51957428 is 82475915.

51957428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51957427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96668 + ... + 97203.

It is an arithmetic number, because the mean of its divisors is an integer number (7690256).

Almost surely, 2^51957428 is an apocalyptic number.

It is an amenable number.

51957428 is a deficient number, since it is larger than the sum of its proper divisors (40325644).

51957428 is a wasteful number, since it uses less digits than its factorization.

51957428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193942 (or 193940 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 51957428 is about 7208.1501094247. The cubic root of 51957428 is about 373.1492285995.

The spelling of 51957428 in words is "fifty-one million, nine hundred fifty-seven thousand, four hundred twenty-eight".