51179142 has 32 divisors (see below), whose sum is σ = 121017600. Its totient is φ = 14118048.

The previous prime is 51179131. The next prime is 51179153. The reversal of 51179142 is 24197115.

51179142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51179131) and next prime (51179153).

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 15 ways as a sum of consecutive naturals, for example, 19792 + ... + 22227.

It is an arithmetic number, because the mean of its divisors is an integer number (3781800).

Almost surely, 2^51179142 is an apocalyptic number.

51179142 is an abundant number, since it is smaller than the sum of its proper divisors (69838458).

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

51179142 is a wasteful number, since it uses less digits than its factorization.

51179142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42060.

The product of its digits is 2520, while the sum is 30.

The square root of 51179142 is about 7153.9598824707. The cubic root of 51179142 is about 371.2766757465.

The spelling of 51179142 in words is "fifty-one million, one hundred seventy-nine thousand, one hundred forty-two".