52091479 has 4 divisors (see below), whose sum is σ = 56827080. Its totient is φ = 47355880.

The previous prime is 52091477. The next prime is 52091489. The reversal of 52091479 is 97419025.

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

It is not a de Polignac number, because 52091479 - 2¹ = 52091477 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 (52091471) 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, 2367784 + ... + 2367805.

It is an arithmetic number, because the mean of its divisors is an integer number (14206770).

Almost surely, 2^52091479 is an apocalyptic number.

52091479 is a deficient number, since it is larger than the sum of its proper divisors (4735601).

52091479 is a wasteful number, since it uses less digits than its factorization.

52091479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735600.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 52091479 is about 7217.4426911476. The cubic root of 52091479 is about 373.4698633472.

The spelling of 52091479 in words is "fifty-two million, ninety-one thousand, four hundred seventy-nine".