55255170 has 32 divisors (see below), whose sum is σ = 132815232. Its totient is φ = 14712192.

The previous prime is 55255169. The next prime is 55255183. The reversal of 55255170 is 7155255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30099 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (4150476).

Almost surely, 2^55255170 is an apocalyptic number.

55255170 is an abundant number, since it is smaller than the sum of its proper divisors (77560062).

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

55255170 is a wasteful number, since it uses less digits than its factorization.

55255170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 55255170 is about 7433.3821373585. The cubic root of 55255170 is about 380.8824597292.

The spelling of 55255170 in words is "fifty-five million, two hundred fifty-five thousand, one hundred seventy".