55179579 has 32 divisors (see below), whose sum is σ = 91445760. Its totient is φ = 28818432.

The previous prime is 55179577. The next prime is 55179581. The reversal of 55179579 is 97597155.

It is an interprime number because it is at equal distance from previous prime (55179577) and next prime (55179581).

It is not a de Polignac number, because 55179579 - 2¹ = 55179577 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55179577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28267 + ... + 30155.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^55179579 is an apocalyptic number.

55179579 is a deficient number, since it is larger than the sum of its proper divisors (36266181).

55179579 is a wasteful number, since it uses less digits than its factorization.

55179579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

The product of its digits is 496125, while the sum is 48.

The square root of 55179579 is about 7428.2958341735. The cubic root of 55179579 is about 380.7086936354.

The spelling of 55179579 in words is "fifty-five million, one hundred seventy-nine thousand, five hundred seventy-nine".