55879446 has 32 divisors (see below), whose sum is σ = 130699008. Its totient is φ = 15593760.

The previous prime is 55879393. The next prime is 55879463. The reversal of 55879446 is 64497855.

55879446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55879395 and 55879404.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13665 + ... + 17276.

It is an arithmetic number, because the mean of its divisors is an integer number (4084344).

Almost surely, 2^55879446 is an apocalyptic number.

55879446 is an abundant number, since it is smaller than the sum of its proper divisors (74819562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55879446 is a wasteful number, since it uses less digits than its factorization.

55879446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30996.

The product of its digits is 1209600, while the sum is 48.

The square root of 55879446 is about 7475.2555809149. The cubic root of 55879446 is about 382.3115018081.

The spelling of 55879446 in words is "fifty-five million, eight hundred seventy-nine thousand, four hundred forty-six".