56501277 has 16 divisors (see below), whose sum is σ = 86618112. Its totient is φ = 32091120.

The previous prime is 56501267. The next prime is 56501293. The reversal of 56501277 is 77210565.

56501277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56501277 - 2⁴ = 56501261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501227) by changing a digit.

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, 4549 + ... + 11562.

It is an arithmetic number, because the mean of its divisors is an integer number (5413632).

Almost surely, 2^56501277 is an apocalyptic number.

It is an amenable number.

56501277 is a deficient number, since it is larger than the sum of its proper divisors (30116835).

56501277 is a wasteful number, since it uses less digits than its factorization.

56501277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288.

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

The square root of 56501277 is about 7516.7331334829. The cubic root of 56501277 is about 383.7244048472.

The spelling of 56501277 in words is "fifty-six million, five hundred one thousand, two hundred seventy-seven".