52508905 has 16 divisors (see below), whose sum is σ = 65528064. Its totient is φ = 40360320.

The previous prime is 52508899. The next prime is 52508909. The reversal of 52508905 is 50980525.

It is not a de Polignac number, because 52508905 - 2⁷ = 52508777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52508909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11824 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (4095504).

Almost surely, 2^52508905 is an apocalyptic number.

It is an amenable number.

52508905 is a deficient number, since it is larger than the sum of its proper divisors (13019159).

52508905 is a wasteful number, since it uses less digits than its factorization.

52508905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 52508905 is about 7246.3028504197. The cubic root of 52508905 is about 374.4647890874.

The spelling of 52508905 in words is "fifty-two million, five hundred eight thousand, nine hundred five".