5257456536 has 32 divisors (see below), whose sum is σ = 13243982400. Its totient is φ = 1739106720.

The previous prime is 5257456489. The next prime is 5257456559. The reversal of 5257456536 is 6356547525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832966 + ... + 839253.

It is an arithmetic number, because the mean of its divisors is an integer number (413874450).

Almost surely, 2^5257456536 is an apocalyptic number.

It is an amenable number.

5257456536 is an abundant number, since it is smaller than the sum of its proper divisors (7986525864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5257456536 is a wasteful number, since it uses less digits than its factorization.

5257456536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672359 (or 1672355 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 48.

The square root of 5257456536 is about 72508.3204604823. The cubic root of 5257456536 is about 1738.8357623346.

The spelling of 5257456536 in words is "five billion, two hundred fifty-seven million, four hundred fifty-six thousand, five hundred thirty-six".