53990375 has 16 divisors (see below), whose sum is σ = 69558528. Its totient is φ = 41796000.

The previous prime is 53990371. The next prime is 53990389. The reversal of 53990375 is 57309935.

It is not a de Polignac number, because 53990375 - 2² = 53990371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53990371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3092 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (4347408).

Almost surely, 2^53990375 is an apocalyptic number.

53990375 is a deficient number, since it is larger than the sum of its proper divisors (15568153).

53990375 is a wasteful number, since it uses less digits than its factorization.

53990375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13979 (or 13969 counting only the distinct ones).

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 53990375 is about 7347.8143008653. The cubic root of 53990375 is about 377.9538567080.

The spelling of 53990375 in words is "fifty-three million, nine hundred ninety thousand, three hundred seventy-five".