653397552 has 60 divisors (see below), whose sum is σ = 1830880584. Its totient is φ = 217528320.

The previous prime is 653397539. The next prime is 653397587. The reversal of 653397552 is 255793356.

It is a happy number.

653397552 is a `hidden beast` number, since 6 + 5 + 3 + 3 + 97 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 653397498 and 653397507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137488 + ... + 142160.

Almost surely, 2^653397552 is an apocalyptic number.

It is an amenable number.

653397552 is an abundant number, since it is smaller than the sum of its proper divisors (1177483032).

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

653397552 is a wasteful number, since it uses less digits than its factorization.

653397552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658 (or 5649 counting only the distinct ones).

The product of its digits is 850500, while the sum is 45.

The square root of 653397552 is about 25561.6422007664. The cubic root of 653397552 is about 867.7457614398.

The spelling of 653397552 in words is "six hundred fifty-three million, three hundred ninety-seven thousand, five hundred fifty-two".