55169544 has 16 divisors (see below), whose sum is σ = 137923920. Its totient is φ = 18389840.

The previous prime is 55169509. The next prime is 55169561. The reversal of 55169544 is 44596155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149342 + ... + 1149389.

It is an arithmetic number, because the mean of its divisors is an integer number (8620245).

Almost surely, 2^55169544 is an apocalyptic number.

It is an amenable number.

55169544 is an abundant number, since it is smaller than the sum of its proper divisors (82754376).

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

55169544 is a wasteful number, since it uses less digits than its factorization.

55169544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298740 (or 2298736 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 55169544 is about 7427.6203457097. The cubic root of 55169544 is about 380.6856135792.

The spelling of 55169544 in words is "fifty-five million, one hundred sixty-nine thousand, five hundred forty-four".