55800177 has 16 divisors (see below), whose sum is σ = 76393920. Its totient is φ = 36216000.

The previous prime is 55800161. The next prime is 55800187. The reversal of 55800177 is 77100855.

It is not a de Polignac number, because 55800177 - 2⁴ = 55800161 is a prime.

It is a super-2 number, since 2×55800177² = 6227319506462658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55800187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16974 + ... + 19992.

It is an arithmetic number, because the mean of its divisors is an integer number (4774620).

Almost surely, 2^55800177 is an apocalyptic number.

It is an amenable number.

55800177 is a deficient number, since it is larger than the sum of its proper divisors (20593743).

55800177 is a wasteful number, since it uses less digits than its factorization.

55800177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184.

The product of its (nonzero) digits is 9800, while the sum is 33.

The square root of 55800177 is about 7469.9516062689. The cubic root of 55800177 is about 382.1306375007.

The spelling of 55800177 in words is "fifty-five million, eight hundred thousand, one hundred seventy-seven".