55012177 has 8 divisors (see below), whose sum is σ = 60088032. Its totient is φ = 49948800.

The previous prime is 55012171. The next prime is 55012219. The reversal of 55012177 is 77121055.

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

It is a de Polignac number, because none of the positive numbers 2^k-55012177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55012171) 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, 7777 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (7511004).

Almost surely, 2^55012177 is an apocalyptic number.

It is an amenable number.

55012177 is a deficient number, since it is larger than the sum of its proper divisors (5075855).

55012177 is a wasteful number, since it uses less digits than its factorization.

55012177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 55012177 is about 7417.0194148323. The cubic root of 55012177 is about 380.3233097943.

The spelling of 55012177 in words is "fifty-five million, twelve thousand, one hundred seventy-seven".