55964879 has 4 divisors (see below), whose sum is σ = 56017176. Its totient is φ = 55912584.

The previous prime is 55964849. The next prime is 55964893. The reversal of 55964879 is 97846955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97846955 = 5 ⋅19569391.

It is a cyclic number.

It is not a de Polignac number, because 55964879 - 2¹² = 55960783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55964879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55964849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24509 + ... + 26694.

It is an arithmetic number, because the mean of its divisors is an integer number (14004294).

Almost surely, 2^55964879 is an apocalyptic number.

55964879 is a deficient number, since it is larger than the sum of its proper divisors (52297).

55964879 is a wasteful number, since it uses less digits than its factorization.

55964879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52296.

The product of its digits is 2721600, while the sum is 53.

The square root of 55964879 is about 7480.9677849861. The cubic root of 55964879 is about 382.5062388092.

The spelling of 55964879 in words is "fifty-five million, nine hundred sixty-four thousand, eight hundred seventy-nine".