51190156 has 12 divisors (see below), whose sum is σ = 91273392. Its totient is φ = 25112048.

The previous prime is 51190141. The next prime is 51190177. The reversal of 51190156 is 65109115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120520 + ... + 120943.

It is an arithmetic number, because the mean of its divisors is an integer number (7606116).

Almost surely, 2^51190156 is an apocalyptic number.

It is an amenable number.

51190156 is a deficient number, since it is larger than the sum of its proper divisors (40083236).

51190156 is a wasteful number, since it uses less digits than its factorization.

51190156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241520 (or 241518 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 51190156 is about 7154.7296245211. The cubic root of 51190156 is about 371.3033073509.

The spelling of 51190156 in words is "fifty-one million, one hundred ninety thousand, one hundred fifty-six".