53723975 has 24 divisors (see below), whose sum is σ = 69986592. Its totient is φ = 40832000.

The previous prime is 53723953. The next prime is 53723977. The reversal of 53723975 is 57932735.

It is not a de Polignac number, because 53723975 - 2⁶ = 53723911 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 (53723977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133775 + ... + 134175.

It is an arithmetic number, because the mean of its divisors is an integer number (2916108).

Almost surely, 2^53723975 is an apocalyptic number.

53723975 is a deficient number, since it is larger than the sum of its proper divisors (16262617).

53723975 is a wasteful number, since it uses less digits than its factorization.

53723975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 662 counting only the distinct ones).

The product of its digits is 198450, while the sum is 41.

The square root of 53723975 is about 7329.6640441428. The cubic root of 53723975 is about 377.3311965491.

The spelling of 53723975 in words is "fifty-three million, seven hundred twenty-three thousand, nine hundred seventy-five".