53259957 has 8 divisors (see below), whose sum is σ = 78903680. Its totient is φ = 35506620.

The previous prime is 53259937. The next prime is 53259967. The reversal of 53259957 is 75995235.

53259957 is a `hidden beast` number, since 5 + 3 + 2 + 599 + 57 = 666.

It is not a de Polignac number, because 53259957 - 2¹⁴ = 53243573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53259917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986269 + ... + 986322.

It is an arithmetic number, because the mean of its divisors is an integer number (9862960).

Almost surely, 2^53259957 is an apocalyptic number.

It is an amenable number.

53259957 is a deficient number, since it is larger than the sum of its proper divisors (25643723).

53259957 is a wasteful number, since it uses less digits than its factorization.

53259957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972600 (or 1972594 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 53259957 is about 7297.9419701721. The cubic root of 53259957 is about 376.2417078926.

The spelling of 53259957 in words is "fifty-three million, two hundred fifty-nine thousand, nine hundred fifty-seven".