55126660 has 24 divisors (see below), whose sum is σ = 116000640. Its totient is φ = 22005984.

The previous prime is 55126637. The next prime is 55126667. The reversal of 55126660 is 6662155.

It is not an unprimeable number, because it can be changed into a prime (55126667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421 + ... + 13459.

It is an arithmetic number, because the mean of its divisors is an integer number (4833360).

Almost surely, 2^55126660 is an apocalyptic number.

It is an amenable number.

55126660 is an abundant number, since it is smaller than the sum of its proper divisors (60873980).

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

55126660 is a wasteful number, since it uses less digits than its factorization.

55126660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595 (or 5593 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 55126660 is about 7424.7329918321. The cubic root of 55126660 is about 380.5869507273.

The spelling of 55126660 in words is "fifty-five million, one hundred twenty-six thousand, six hundred sixty".