53297568 has 48 divisors (see below), whose sum is σ = 155453760. Its totient is φ = 17765568.

The previous prime is 53297539. The next prime is 53297611. The reversal of 53297568 is 86579235.

It is a happy number.

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

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, 29980 + ... + 31707.

It is an arithmetic number, because the mean of its divisors is an integer number (3238620).

Almost surely, 2^53297568 is an apocalyptic number.

It is an amenable number.

53297568 is an abundant number, since it is smaller than the sum of its proper divisors (102156192).

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

53297568 is a wasteful number, since it uses less digits than its factorization.

53297568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61706 (or 61692 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 53297568 is about 7300.5183377621. The cubic root of 53297568 is about 376.3302515689.

The spelling of 53297568 in words is "fifty-three million, two hundred ninety-seven thousand, five hundred sixty-eight".