537257568 has 48 divisors (see below), whose sum is σ = 1430182656. Its totient is φ = 176561280.

The previous prime is 537257531. The next prime is 537257569. The reversal of 537257568 is 865752735.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537257569) 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, 32596 + ... + 46227.

It is an arithmetic number, because the mean of its divisors is an integer number (29795472).

Almost surely, 2^537257568 is an apocalyptic number.

It is an amenable number.

537257568 is an abundant number, since it is smaller than the sum of its proper divisors (892925088).

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

537257568 is a wasteful number, since it uses less digits than its factorization.

537257568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78907 (or 78899 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The square root of 537257568 is about 23178.8172260795. The cubic root of 537257568 is about 812.9444066021.

The spelling of 537257568 in words is "five hundred thirty-seven million, two hundred fifty-seven thousand, five hundred sixty-eight".