657352552 has 16 divisors (see below), whose sum is σ = 1233181440. Its totient is φ = 328504176.

The previous prime is 657352547. The next prime is 657352559. The reversal of 657352552 is 255253756.

It is a super-2 number, since 2×657352552² = 864224755241825408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (657352559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (77073840).

Almost surely, 2^657352552 is an apocalyptic number.

It is an amenable number.

657352552 is a deficient number, since it is larger than the sum of its proper divisors (575828888).

657352552 is a wasteful number, since it uses less digits than its factorization.

657352552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43032 (or 43028 counting only the distinct ones).

The product of its digits is 315000, while the sum is 40.

The square root of 657352552 is about 25638.8874953653. The cubic root of 657352552 is about 869.4930556126.

The spelling of 657352552 in words is "six hundred fifty-seven million, three hundred fifty-two thousand, five hundred fifty-two".