53597680 has 20 divisors (see below), whose sum is σ = 124614792. Its totient is φ = 21439040.

The previous prime is 53597657. The next prime is 53597699. The reversal of 53597680 is 8679535.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×53597680² = 5745422602764800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334906 + ... + 335065.

Almost surely, 2^53597680 is an apocalyptic number.

It is an amenable number.

53597680 is an abundant number, since it is smaller than the sum of its proper divisors (71017112).

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

53597680 is a wasteful number, since it uses less digits than its factorization.

53597680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669984 (or 669978 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 53597680 is about 7321.0436414489. The cubic root of 53597680 is about 377.0352862346.

The spelling of 53597680 in words is "fifty-three million, five hundred ninety-seven thousand, six hundred eighty".