53256977 has 16 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 50181120.

The previous prime is 53256967. The next prime is 53256989. The reversal of 53256977 is 77965235.

It is a cyclic number.

It is not a de Polignac number, because 53256977 - 2⁴ = 53256961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53256947) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 267524 + ... + 267722.

It is an arithmetic number, because the mean of its divisors is an integer number (3528000).

Almost surely, 2^53256977 is an apocalyptic number.

It is an amenable number.

53256977 is a deficient number, since it is larger than the sum of its proper divisors (3191023).

53256977 is a wasteful number, since it uses less digits than its factorization.

53256977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 396900, while the sum is 44.

The square root of 53256977 is about 7297.7378001679. The cubic root of 53256977 is about 376.2346906057.

The spelling of 53256977 in words is "fifty-three million, two hundred fifty-six thousand, nine hundred seventy-seven".