55126161 has 12 divisors (see below), whose sum is σ = 79821300. Its totient is φ = 36660960.

The previous prime is 55126157. The next prime is 55126177. The reversal of 55126161 is 16162155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 36978561 = 4260^2 + 6081^2 .

It is not a de Polignac number, because 55126161 - 2² = 55126157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126151) 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, 3486 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (6651775).

Almost surely, 2^55126161 is an apocalyptic number.

It is an amenable number.

55126161 is a deficient number, since it is larger than the sum of its proper divisors (24695139).

55126161 is a wasteful number, since it uses less digits than its factorization.

55126161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976 (or 14973 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 55126161 is about 7424.6993878540. The cubic root of 55126161 is about 380.5858023812.

The spelling of 55126161 in words is "fifty-five million, one hundred twenty-six thousand, one hundred sixty-one".