53566379 has 4 divisors (see below), whose sum is σ = 55895376. Its totient is φ = 51237384.

The previous prime is 53566367. The next prime is 53566391. The reversal of 53566379 is 97366535.

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

It is an interprime number because it is at equal distance from previous prime (53566367) and next prime (53566391).

It is a cyclic number.

It is not a de Polignac number, because 53566379 - 2¹² = 53562283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53566309) 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, 1164464 + ... + 1164509.

It is an arithmetic number, because the mean of its divisors is an integer number (13973844).

Almost surely, 2^53566379 is an apocalyptic number.

53566379 is a deficient number, since it is larger than the sum of its proper divisors (2328997).

53566379 is a wasteful number, since it uses less digits than its factorization.

53566379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328996.

The product of its digits is 510300, while the sum is 44.

The square root of 53566379 is about 7318.9055875862. The cubic root of 53566379 is about 376.9618758457.

The spelling of 53566379 in words is "fifty-three million, five hundred sixty-six thousand, three hundred seventy-nine".