52129475 has 12 divisors (see below), whose sum is σ = 65861856. Its totient is φ = 40915680.

The previous prime is 52129471. The next prime is 52129481. The reversal of 52129475 is 57492125.

It is not a de Polignac number, because 52129475 - 2² = 52129471 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52129471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18347 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (5488488).

Almost surely, 2^52129475 is an apocalyptic number.

52129475 is a deficient number, since it is larger than the sum of its proper divisors (13732381).

52129475 is a wasteful number, since it uses less digits than its factorization.

52129475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39406 (or 39401 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 52129475 is about 7220.0744455996. The cubic root of 52129475 is about 373.5606453868.

The spelling of 52129475 in words is "fifty-two million, one hundred twenty-nine thousand, four hundred seventy-five".