52899779 has 4 divisors (see below), whose sum is σ = 52967784. Its totient is φ = 52831776.

The previous prime is 52899773. The next prime is 52899787. The reversal of 52899779 is 97799825.

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 52899779 - 2²⁰ = 51851203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52899773) 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, 32822 + ... + 34395.

It is an arithmetic number, because the mean of its divisors is an integer number (13241946).

Almost surely, 2^52899779 is an apocalyptic number.

52899779 is a deficient number, since it is larger than the sum of its proper divisors (68005).

52899779 is an equidigital number, since it uses as much as digits as its factorization.

52899779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68004.

The product of its digits is 2857680, while the sum is 56.

The square root of 52899779 is about 7273.2234256896. The cubic root of 52899779 is about 375.3916595391.

The spelling of 52899779 in words is "fifty-two million, eight hundred ninety-nine thousand, seven hundred seventy-nine".