52921079 has 4 divisors (see below), whose sum is σ = 53002776. Its totient is φ = 52839384.

The previous prime is 52921069. The next prime is 52921093. The reversal of 52921079 is 97012925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52921079 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 (52921019) 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, 39869 + ... + 41174.

It is an arithmetic number, because the mean of its divisors is an integer number (13250694).

Almost surely, 2^52921079 is an apocalyptic number.

52921079 is a deficient number, since it is larger than the sum of its proper divisors (81697).

52921079 is an equidigital number, since it uses as much as digits as its factorization.

52921079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81696.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 52921079 is about 7274.6875534280. The cubic root of 52921079 is about 375.4420363685.

The spelling of 52921079 in words is "fifty-two million, nine hundred twenty-one thousand, seventy-nine".