55159964 has 12 divisors (see below), whose sum is σ = 101610600. Its totient is φ = 26128368.

The previous prime is 55159963. The next prime is 55159981. The reversal of 55159964 is 46995155.

55159964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55159963) 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, 362819 + ... + 362970.

It is an arithmetic number, because the mean of its divisors is an integer number (8467550).

Almost surely, 2^55159964 is an apocalyptic number.

It is an amenable number.

55159964 is a deficient number, since it is larger than the sum of its proper divisors (46450636).

55159964 is a wasteful number, since it uses less digits than its factorization.

55159964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725812 (or 725810 counting only the distinct ones).

The product of its digits is 243000, while the sum is 44.

The square root of 55159964 is about 7426.9754274536. The cubic root of 55159964 is about 380.6635773914.

The spelling of 55159964 in words is "fifty-five million, one hundred fifty-nine thousand, nine hundred sixty-four".