51373564 has 12 divisors (see below), whose sum is σ = 98076888. Its totient is φ = 23351600.

The previous prime is 51373499. The next prime is 51373573. The reversal of 51373564 is 46537315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583747 + ... + 583834.

It is an arithmetic number, because the mean of its divisors is an integer number (8173074).

Almost surely, 2^51373564 is an apocalyptic number.

It is an amenable number.

51373564 is a deficient number, since it is larger than the sum of its proper divisors (46703324).

51373564 is a wasteful number, since it uses less digits than its factorization.

51373564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167596 (or 1167594 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 51373564 is about 7167.5354202124. The cubic root of 51373564 is about 371.7462234148.

The spelling of 51373564 in words is "fifty-one million, three hundred seventy-three thousand, five hundred sixty-four".