55009177 has 8 divisors (see below), whose sum is σ = 56324160. Its totient is φ = 53704560.

The previous prime is 55009133. The next prime is 55009193. The reversal of 55009177 is 77190055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55009177 - 2¹⁹ = 54484889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55009277) 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, 8724 + ... + 13642.

It is an arithmetic number, because the mean of its divisors is an integer number (7040520).

Almost surely, 2^55009177 is an apocalyptic number.

It is an amenable number.

55009177 is a deficient number, since it is larger than the sum of its proper divisors (1314983).

55009177 is a wasteful number, since it uses less digits than its factorization.

55009177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183.

The product of its (nonzero) digits is 11025, while the sum is 34.

The square root of 55009177 is about 7416.8171745028. The cubic root of 55009177 is about 380.3163962300.

The spelling of 55009177 in words is "fifty-five million, nine thousand, one hundred seventy-seven".