45170055 has 96 divisors (see below), whose sum is σ = 95606784. Its totient is φ = 20030976.

The previous prime is 45170051. The next prime is 45170057. The reversal of 45170055 is 55007154.

It is not a de Polignac number, because 45170055 - 2² = 45170051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45170051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399679 + ... + 399791.

It is an arithmetic number, because the mean of its divisors is an integer number (995904).

Almost surely, 2^45170055 is an apocalyptic number.

45170055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45170055 is an abundant number, since it is smaller than the sum of its proper divisors (50436729).

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

45170055 is a wasteful number, since it uses less digits than its factorization.

45170055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 45170055 is about 6720.8671315538. The cubic root of 45170055 is about 356.1368172306.

The spelling of 45170055 in words is "forty-five million, one hundred seventy thousand, fifty-five".