55555228176 has 80 divisors (see below), whose sum is σ = 164742979584. Its totient is φ = 15802975872.

The previous prime is 55555228159. The next prime is 55555228177. The reversal of 55555228176 is 67182255555.

It is not an unprimeable number, because it can be changed into a prime (55555228177) 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, 287920 + ... + 440463.

Almost surely, 2^55555228176 is an apocalyptic number.

55555228176 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55555228176 is an abundant number, since it is smaller than the sum of its proper divisors (109187751408).

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

55555228176 is a wasteful number, since it uses less digits than its factorization.

55555228176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728628 (or 728622 counting only the distinct ones).

The product of its digits is 4200000, while the sum is 51.

The spelling of 55555228176 in words is "fifty-five billion, five hundred fifty-five million, two hundred twenty-eight thousand, one hundred seventy-six".