55279851 has 16 divisors (see below), whose sum is σ = 83002368. Its totient is φ = 32421600.

The previous prime is 55279843. The next prime is 55279867. The reversal of 55279851 is 15897255.

55279851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55279851 - 2³ = 55279843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55279831) 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 15 ways as a sum of consecutive naturals, for example, 25996 + ... + 28041.

It is an arithmetic number, because the mean of its divisors is an integer number (5187648).

Almost surely, 2^55279851 is an apocalyptic number.

55279851 is a deficient number, since it is larger than the sum of its proper divisors (27722517).

55279851 is a wasteful number, since it uses less digits than its factorization.

55279851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54082.

The product of its digits is 126000, while the sum is 42.

The square root of 55279851 is about 7435.0420980651. The cubic root of 55279851 is about 380.9391612751.

The spelling of 55279851 in words is "fifty-five million, two hundred seventy-nine thousand, eight hundred fifty-one".