53975 has 12 divisors (see below), whose sum is σ = 71424. Its totient is φ = 40320.

The previous prime is 53959. The next prime is 53987. The reversal of 53975 is 57935.

It is not a de Polignac number, because 53975 - 2⁴ = 53959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362 + ... + 488.

It is an arithmetic number, because the mean of its divisors is an integer number (5952).

2⁵³⁹⁷⁵ is an apocalyptic number.

53975 is a deficient number, since it is larger than the sum of its proper divisors (17449).

53975 is a wasteful number, since it uses less digits than its factorization.

53975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its digits is 4725, while the sum is 29.

The square root of 53975 is about 232.3252031098. The cubic root of 53975 is about 37.7917976286.

The spelling of 53975 in words is "fifty-three thousand, nine hundred seventy-five".