52661359 has 4 divisors (see below), whose sum is σ = 55759104. Its totient is φ = 49563616.

The previous prime is 52661347. The next prime is 52661377. The reversal of 52661359 is 95316625.

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 52661359 - 2¹¹ = 52659311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661309) 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, 1548847 + ... + 1548880.

It is an arithmetic number, because the mean of its divisors is an integer number (13939776).

Almost surely, 2^52661359 is an apocalyptic number.

52661359 is a deficient number, since it is larger than the sum of its proper divisors (3097745).

52661359 is a wasteful number, since it uses less digits than its factorization.

52661359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097744.

The product of its digits is 48600, while the sum is 37.

The square root of 52661359 is about 7256.8146593392. The cubic root of 52661359 is about 374.8268450957.

The spelling of 52661359 in words is "fifty-two million, six hundred sixty-one thousand, three hundred fifty-nine".