53257659 has 72 divisors (see below), whose sum is σ = 95089680. Its totient is φ = 26248320.

The previous prime is 53257643. The next prime is 53257669. The reversal of 53257659 is 95675235.

It is not a de Polignac number, because 53257659 - 2⁴ = 53257643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53257659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53257609) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1717974 + ... + 1718004.

It is an arithmetic number, because the mean of its divisors is an integer number (1320690).

Almost surely, 2^53257659 is an apocalyptic number.

53257659 is a deficient number, since it is larger than the sum of its proper divisors (41832021).

53257659 is a wasteful number, since it uses less digits than its factorization.

53257659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 83 counting only the distinct ones).

The product of its digits is 283500, while the sum is 42.

The square root of 53257659 is about 7297.7845268273. The cubic root of 53257659 is about 376.2362965984.

The spelling of 53257659 in words is "fifty-three million, two hundred fifty-seven thousand, six hundred fifty-nine".