53427975 has 24 divisors (see below), whose sum is σ = 90007632. Its totient is φ = 27955200.

The previous prime is 53427971. The next prime is 53428021. The reversal of 53427975 is 57972435.

It is not a de Polignac number, because 53427975 - 2² = 53427971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53427971) 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, 2746 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (3750318).

Almost surely, 2^53427975 is an apocalyptic number.

53427975 is a deficient number, since it is larger than the sum of its proper divisors (36579657).

53427975 is a wasteful number, since it uses less digits than its factorization.

53427975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13507 (or 13502 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 53427975 is about 7309.4442333190. Note that the first 3 decimals coincide. The cubic root of 53427975 is about 376.6369330259.

The spelling of 53427975 in words is "fifty-three million, four hundred twenty-seven thousand, nine hundred seventy-five".