52525091 has 4 divisors (see below), whose sum is σ = 52547352. Its totient is φ = 52502832.

The previous prime is 52525079. The next prime is 52525093. The reversal of 52525091 is 19052525.

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

It is a cyclic number.

It is not a de Polignac number, because 52525091 - 2⁶ = 52525027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52525093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7106 + ... + 12471.

It is an arithmetic number, because the mean of its divisors is an integer number (13136838).

Almost surely, 2^52525091 is an apocalyptic number.

52525091 is a deficient number, since it is larger than the sum of its proper divisors (22261).

52525091 is a wasteful number, since it uses less digits than its factorization.

52525091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22260.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 52525091 is about 7247.4196097646. The cubic root of 52525091 is about 374.5032617008.

The spelling of 52525091 in words is "fifty-two million, five hundred twenty-five thousand, ninety-one".