51574016 has 36 divisors (see below), whose sum is σ = 110872692. Its totient is φ = 23801856.

The previous prime is 51574007. The next prime is 51574031. The reversal of 51574016 is 61047515.

It can be written as a sum of positive squares in 2 ways, for example, as 31360000 + 20214016 = 5600^2 + 4496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51574016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (3079797).

Almost surely, 2^51574016 is an apocalyptic number.

It is an amenable number.

51574016 is an abundant number, since it is smaller than the sum of its proper divisors (59298676).

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

51574016 is a wasteful number, since it uses less digits than its factorization.

51574016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15526 (or 15512 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51574016 is about 7181.5051347193. The cubic root of 51574016 is about 372.2290954037.

The spelling of 51574016 in words is "fifty-one million, five hundred seventy-four thousand, sixteen".