53406875 has 10 divisors (see below), whose sum is σ = 66738012. Its totient is φ = 42725000.

The previous prime is 53406869. The next prime is 53406883. The reversal of 53406875 is 57860435.

It is not a de Polignac number, because 53406875 - 2¹⁸ = 53144731 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42101 + ... + 43350.

Almost surely, 2^53406875 is an apocalyptic number.

53406875 is a deficient number, since it is larger than the sum of its proper divisors (13331137).

53406875 is an frugal number, since it uses more digits than its factorization.

53406875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85471 (or 85456 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 53406875 is about 7308.0007525999. Note that the first 3 decimals coincide. The cubic root of 53406875 is about 376.5873454851.

The spelling of 53406875 in words is "fifty-three million, four hundred six thousand, eight hundred seventy-five".