52575121 has 4 divisors (see below), whose sum is σ = 52597044. Its totient is φ = 52553200.

The previous prime is 52575091. The next prime is 52575137. The reversal of 52575121 is 12157525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27973521 + 24601600 = 5289^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 52575121 - 2²¹ = 50477969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52575121.

It is not an unprimeable number, because it can be changed into a prime (52575181) 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, 6850 + ... + 12331.

It is an arithmetic number, because the mean of its divisors is an integer number (13149261).

Almost surely, 2^52575121 is an apocalyptic number.

It is an amenable number.

52575121 is a deficient number, since it is larger than the sum of its proper divisors (21923).

52575121 is a wasteful number, since it uses less digits than its factorization.

52575121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21922.

The product of its digits is 3500, while the sum is 28.

The square root of 52575121 is about 7250.8703615497. The cubic root of 52575121 is about 374.6221283997.

The spelling of 52575121 in words is "fifty-two million, five hundred seventy-five thousand, one hundred twenty-one".