51772560 has 80 divisors (see below), whose sum is σ = 183428736. Its totient is φ = 11833344.

The previous prime is 51772543. The next prime is 51772577. The reversal of 51772560 is 6527715.

51772560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51772543) and next prime (51772577).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13729 + ... + 17088.

Almost surely, 2^51772560 is an apocalyptic number.

It is an amenable number.

51772560 is an abundant number, since it is smaller than the sum of its proper divisors (131656176).

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

51772560 is a wasteful number, since it uses less digits than its factorization.

51772560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840 (or 30834 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 51772560 is about 7195.3151425077. The cubic root of 51772560 is about 372.7061393747.

The spelling of 51772560 in words is "fifty-one million, seven hundred seventy-two thousand, five hundred sixty".