53597990 has 16 divisors (see below), whose sum is σ = 97917552. Its totient is φ = 21118944.

The previous prime is 53597989. The next prime is 53598037. The reversal of 53597990 is 9979535.

It is a congruent number.

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, 39329 + ... + 40668.

It is an arithmetic number, because the mean of its divisors is an integer number (6119847).

Almost surely, 2^53597990 is an apocalyptic number.

53597990 is a deficient number, since it is larger than the sum of its proper divisors (44319562).

53597990 is a wasteful number, since it uses less digits than its factorization.

53597990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80071.

The product of its (nonzero) digits is 382725, while the sum is 47.

The square root of 53597990 is about 7321.0648132632. The cubic root of 53597990 is about 377.0360131362.

The spelling of 53597990 in words is "fifty-three million, five hundred ninety-seven thousand, nine hundred ninety".