51057560 has 32 divisors (see below), whose sum is σ = 120927600. Its totient is φ = 19347840.

The previous prime is 51057529. The next prime is 51057593. The reversal of 51057560 is 6575015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32831 + ... + 34350.

Almost surely, 2^51057560 is an apocalyptic number.

It is an amenable number.

51057560 is an abundant number, since it is smaller than the sum of its proper divisors (69870040).

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

51057560 is a wasteful number, since it uses less digits than its factorization.

51057560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67211 (or 67207 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 51057560 is about 7145.4572981720. The cubic root of 51057560 is about 370.9824389941.

The spelling of 51057560 in words is "fifty-one million, fifty-seven thousand, five hundred sixty".