52565091 has 8 divisors (see below), whose sum is σ = 70874640. Its totient is φ = 34649472.

The previous prime is 52565083. The next prime is 52565131. The reversal of 52565091 is 19056525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52565091 - 2³ = 52565083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52565041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98170 + ... + 98703.

It is an arithmetic number, because the mean of its divisors is an integer number (8859330).

Almost surely, 2^52565091 is an apocalyptic number.

52565091 is a deficient number, since it is larger than the sum of its proper divisors (18309549).

52565091 is a wasteful number, since it uses less digits than its factorization.

52565091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196965.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 52565091 is about 7250.1786874532. The cubic root of 52565091 is about 374.5983040836.

The spelling of 52565091 in words is "fifty-two million, five hundred sixty-five thousand, ninety-one".