51364674 has 24 divisors (see below), whose sum is σ = 111578220. Its totient is φ = 17077248.

The previous prime is 51364639. The next prime is 51364739. The reversal of 51364674 is 47646315.

It is a happy number.

51364674 is a `hidden beast` number, since 5 + 1 + 3 + 646 + 7 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51022449 + 342225 = 7143^2 + 585^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3874 + ... + 10850.

Almost surely, 2^51364674 is an apocalyptic number.

51364674 is an abundant number, since it is smaller than the sum of its proper divisors (60213546).

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

51364674 is a wasteful number, since it uses less digits than its factorization.

51364674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394 (or 7391 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 51364674 is about 7166.9152359994. The cubic root of 51364674 is about 371.7247790874.

The spelling of 51364674 in words is "fifty-one million, three hundred sixty-four thousand, six hundred seventy-four".