53975623 has 4 divisors (see below), whose sum is σ = 58127608. Its totient is φ = 49823640.

The previous prime is 53975617. The next prime is 53975633. The reversal of 53975623 is 32657935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53975623 - 2⁵ = 53975591 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 (53975633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075973 + ... + 2075998.

It is an arithmetic number, because the mean of its divisors is an integer number (14531902).

Almost surely, 2^53975623 is an apocalyptic number.

53975623 is a deficient number, since it is larger than the sum of its proper divisors (4151985).

53975623 is a wasteful number, since it uses less digits than its factorization.

53975623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151984.

The product of its digits is 170100, while the sum is 40.

The square root of 53975623 is about 7346.8103963557. The cubic root of 53975623 is about 377.9194303052.

The spelling of 53975623 in words is "fifty-three million, nine hundred seventy-five thousand, six hundred twenty-three".