51814572 has 24 divisors (see below), whose sum is σ = 128012976. Its totient is φ = 16255488.

The previous prime is 51814531. The next prime is 51814583. The reversal of 51814572 is 27541815.

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 7 ways as a sum of consecutive naturals, for example, 126793 + ... + 127200.

It is an arithmetic number, because the mean of its divisors is an integer number (5333874).

Almost surely, 2^51814572 is an apocalyptic number.

It is an amenable number.

51814572 is an abundant number, since it is smaller than the sum of its proper divisors (76198404).

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

51814572 is a wasteful number, since it uses less digits than its factorization.

51814572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254017 (or 254015 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 51814572 is about 7198.2339500741. The cubic root of 51814572 is about 372.8069256912.

The spelling of 51814572 in words is "fifty-one million, eight hundred fourteen thousand, five hundred seventy-two".