51154928 has 30 divisors (see below), whose sum is σ = 108946152. Its totient is φ = 23251360.

The previous prime is 51154891. The next prime is 51154931. The reversal of 51154928 is 82945115.

51154928 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 an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11276 + ... + 15147.

Almost surely, 2^51154928 is an apocalyptic number.

It is an amenable number.

51154928 is an abundant number, since it is smaller than the sum of its proper divisors (57791224).

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

51154928 is a wasteful number, since it uses less digits than its factorization.

51154928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26453 (or 26436 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 51154928 is about 7152.2673328113. The cubic root of 51154928 is about 371.2181134022.

The spelling of 51154928 in words is "fifty-one million, one hundred fifty-four thousand, nine hundred twenty-eight".