51492156 has 48 divisors (see below), whose sum is σ = 124717824. Its totient is φ = 16523136.

The previous prime is 51492151. The next prime is 51492157. The reversal of 51492156 is 65129415.

51492156 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 (51492151) 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 15 ways as a sum of consecutive naturals, for example, 36985 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (2598288).

Almost surely, 2^51492156 is an apocalyptic number.

It is an amenable number.

51492156 is an abundant number, since it is smaller than the sum of its proper divisors (73225668).

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

51492156 is a wasteful number, since it uses less digits than its factorization.

51492156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1488 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 51492156 is about 7175.8035090156. The cubic root of 51492156 is about 372.0320529671.

The spelling of 51492156 in words is "fifty-one million, four hundred ninety-two thousand, one hundred fifty-six".