55500052170 has 32 divisors (see below), whose sum is σ = 136800131328. Its totient is φ = 14400013248.

The previous prime is 55500052159. The next prime is 55500052171. The reversal of 55500052170 is 7125000555.

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

It is not an unprimeable number, because it can be changed into a prime (55500052171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24998914 + ... + 25001133.

It is an arithmetic number, because the mean of its divisors is an integer number (4275004104).

Almost surely, 2^55500052170 is an apocalyptic number.

55500052170 is an abundant number, since it is smaller than the sum of its proper divisors (81300079158).

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

55500052170 is a wasteful number, since it uses less digits than its factorization.

55500052170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50000094.

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

The spelling of 55500052170 in words is "fifty-five billion, five hundred million, fifty-two thousand, one hundred seventy".