55163204 has 12 divisors (see below), whose sum is σ = 98890428. Its totient is φ = 26908800.

The previous prime is 55163201. The next prime is 55163219. The reversal of 55163204 is 40236155.

It can be written as a sum of positive squares in 2 ways, for example, as 17977600 + 37185604 = 4240^2 + 6098^2 .

It is not an unprimeable number, because it can be changed into a prime (55163201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168017 + ... + 168344.

It is an arithmetic number, because the mean of its divisors is an integer number (8240869).

Almost surely, 2^55163204 is an apocalyptic number.

It is an amenable number.

55163204 is a deficient number, since it is larger than the sum of its proper divisors (43727224).

55163204 is a wasteful number, since it uses less digits than its factorization.

55163204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336406 (or 336404 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55163204 is about 7427.1935480368. The cubic root of 55163204 is about 380.6710304168.

Adding to 55163204 its reverse (40236155), we get a palindrome (95399359).

The spelling of 55163204 in words is "fifty-five million, one hundred sixty-three thousand, two hundred four".