55479371 has 4 divisors (see below), whose sum is σ = 55612200. Its totient is φ = 55346544.

The previous prime is 55479323. The next prime is 55479377. The reversal of 55479371 is 17397455.

55479371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-55479371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55479377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65786 + ... + 66623.

It is an arithmetic number, because the mean of its divisors is an integer number (13903050).

Almost surely, 2^55479371 is an apocalyptic number.

55479371 is a deficient number, since it is larger than the sum of its proper divisors (132829).

55479371 is a wasteful number, since it uses less digits than its factorization.

55479371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132828.

The product of its digits is 132300, while the sum is 41.

The square root of 55479371 is about 7448.4475563704. The cubic root of 55479371 is about 381.3969153038.

The spelling of 55479371 in words is "fifty-five million, four hundred seventy-nine thousand, three hundred seventy-one".