55179830 has 16 divisors (see below), whose sum is σ = 99411840. Its totient is φ = 22052352.

The previous prime is 55179827. The next prime is 55179853. The reversal of 55179830 is 3897155.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (6213240).

Almost surely, 2^55179830 is an apocalyptic number.

55179830 is a deficient number, since it is larger than the sum of its proper divisors (44232010).

55179830 is a wasteful number, since it uses less digits than its factorization.

55179830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 55179830 is about 7428.3127290119. The cubic root of 55179830 is about 380.7092708884.

The spelling of 55179830 in words is "fifty-five million, one hundred seventy-nine thousand, eight hundred thirty".