52636257 has 16 divisors (see below), whose sum is σ = 79794880. Its totient is φ = 34274016.

The previous prime is 52636253. The next prime is 52636273. The reversal of 52636257 is 75263625.

It is a happy number.

52636257 is a `hidden beast` number, since 5 + 26 + 3 + 625 + 7 = 666.

It is not a de Polignac number, because 52636257 - 2² = 52636253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52636253) 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, 21508 + ... + 23829.

It is an arithmetic number, because the mean of its divisors is an integer number (4987180).

Almost surely, 2^52636257 is an apocalyptic number.

It is an amenable number.

52636257 is a deficient number, since it is larger than the sum of its proper divisors (27158623).

52636257 is a wasteful number, since it uses less digits than its factorization.

52636257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45389 (or 45383 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 52636257 is about 7255.0849064639. The cubic root of 52636257 is about 374.7672796065.

The spelling of 52636257 in words is "fifty-two million, six hundred thirty-six thousand, two hundred fifty-seven".