51718148 has 12 divisors (see below), whose sum is σ = 95830812. Its totient is φ = 24337920.

The previous prime is 51718111. The next prime is 51718159. The reversal of 51718148 is 84181715.

It can be written as a sum of positive squares in 2 ways, for example, as 25421764 + 26296384 = 5042^2 + 5128^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 380213 + ... + 380348.

It is an arithmetic number, because the mean of its divisors is an integer number (7985901).

Almost surely, 2^51718148 is an apocalyptic number.

It is an amenable number.

51718148 is a deficient number, since it is larger than the sum of its proper divisors (44112664).

51718148 is a wasteful number, since it uses less digits than its factorization.

51718148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760582 (or 760580 counting only the distinct ones).

The product of its digits is 8960, while the sum is 35.

The square root of 51718148 is about 7191.5330771679. The cubic root of 51718148 is about 372.5755245269.

The spelling of 51718148 in words is "fifty-one million, seven hundred eighteen thousand, one hundred forty-eight".