52465591 has 4 divisors (see below), whose sum is σ = 52498912. Its totient is φ = 52432272.

The previous prime is 52465579. The next prime is 52465603. The reversal of 52465591 is 19556425.

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

It is an interprime number because it is at equal distance from previous prime (52465579) and next prime (52465603).

It is a cyclic number.

It is not a de Polignac number, because 52465591 - 2⁷ = 52465463 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 52465591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52415591) 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, 14175 + ... + 17488.

It is an arithmetic number, because the mean of its divisors is an integer number (13124728).

Almost surely, 2^52465591 is an apocalyptic number.

52465591 is a deficient number, since it is larger than the sum of its proper divisors (33321).

52465591 is a wasteful number, since it uses less digits than its factorization.

52465591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33320.

The product of its digits is 54000, while the sum is 37.

The square root of 52465591 is about 7243.3135373253. The cubic root of 52465591 is about 374.3617968445.

The spelling of 52465591 in words is "fifty-two million, four hundred sixty-five thousand, five hundred ninety-one".