55163673 has 12 divisors (see below), whose sum is σ = 82632368. Its totient is φ = 36775620.

The previous prime is 55163671. The next prime is 55163681. The reversal of 55163673 is 37636155.

It is a happy number.

55163673 is a `hidden beast` number, since 551 + 6 + 36 + 73 = 666.

It is not a de Polignac number, because 55163673 - 2¹ = 55163671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55163671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113263 + ... + 113748.

Almost surely, 2^55163673 is an apocalyptic number.

It is an amenable number.

55163673 is a deficient number, since it is larger than the sum of its proper divisors (27468695).

55163673 is an equidigital number, since it uses as much as digits as its factorization.

55163673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227026 (or 227014 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 55163673 is about 7427.2251211337. The cubic root of 55163673 is about 380.6721092411.

The spelling of 55163673 in words is "fifty-five million, one hundred sixty-three thousand, six hundred seventy-three".