53385957 has 12 divisors (see below), whose sum is σ = 77212044. Its totient is φ = 35544960.

The previous prime is 53385947. The next prime is 53385979. The reversal of 53385957 is 75958335.

53385957 is a `hidden beast` number, since 53 + 3 + 8 + 595 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 17313921 = 6006^2 + 4161^2 .

It is not a de Polignac number, because 53385957 - 2⁸ = 53385701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53385947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4563 + ... + 11295.

It is an arithmetic number, because the mean of its divisors is an integer number (6434337).

Almost surely, 2^53385957 is an apocalyptic number.

It is an amenable number.

53385957 is a deficient number, since it is larger than the sum of its proper divisors (23826087).

53385957 is a wasteful number, since it uses less digits than its factorization.

53385957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620 (or 7617 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 53385957 is about 7306.5694412631. The cubic root of 53385957 is about 376.5381727723.

The spelling of 53385957 in words is "fifty-three million, three hundred eighty-five thousand, nine hundred fifty-seven".