52765691 has 8 divisors (see below), whose sum is σ = 57615168. Its totient is φ = 47925000.

The previous prime is 52765681. The next prime is 52765721. The reversal of 52765691 is 19656725.

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

It is a cyclic number.

It is not a de Polignac number, because 52765691 - 2²² = 48571387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52765681) 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, 22316 + ... + 24566.

It is an arithmetic number, because the mean of its divisors is an integer number (7201896).

Almost surely, 2^52765691 is an apocalyptic number.

52765691 is a deficient number, since it is larger than the sum of its proper divisors (4849477).

52765691 is a wasteful number, since it uses less digits than its factorization.

52765691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its digits is 113400, while the sum is 41.

The square root of 52765691 is about 7263.9996558370. Note that the first 3 decimals coincide. The cubic root of 52765691 is about 375.0742158296.

The spelling of 52765691 in words is "fifty-two million, seven hundred sixty-five thousand, six hundred ninety-one".