51716574 has 48 divisors (see below), whose sum is σ = 137915232. Its totient is φ = 13639104.

The previous prime is 51716543. The next prime is 51716579. The reversal of 51716574 is 47561715.

51716574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51716579) 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 23 ways as a sum of consecutive naturals, for example, 14149 + ... + 17424.

It is an arithmetic number, because the mean of its divisors is an integer number (2873234).

Almost surely, 2^51716574 is an apocalyptic number.

51716574 is an abundant number, since it is smaller than the sum of its proper divisors (86198658).

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

51716574 is a wasteful number, since it uses less digits than its factorization.

51716574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31601 (or 31598 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 51716574 is about 7191.4236420892. The cubic root of 51716574 is about 372.5717448103.

The spelling of 51716574 in words is "fifty-one million, seven hundred sixteen thousand, five hundred seventy-four".