545417172 has 48 divisors (see below), whose sum is σ = 1433980800. Its totient is φ = 179242560.

The previous prime is 545417167. The next prime is 545417221. The reversal of 545417172 is 271714545.

545417172 is a `hidden beast` number, since 545 + 41 + 7 + 1 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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, 27897 + ... + 43232.

It is an arithmetic number, because the mean of its divisors is an integer number (29874600).

Almost surely, 2^545417172 is an apocalyptic number.

It is an amenable number.

545417172 is an abundant number, since it is smaller than the sum of its proper divisors (888563628).

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

545417172 is a wasteful number, since it uses less digits than its factorization.

545417172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71213 (or 71205 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 545417172 is about 23354.1681932798. The cubic root of 545417172 is about 817.0392791584.

The spelling of 545417172 in words is "five hundred forty-five million, four hundred seventeen thousand, one hundred seventy-two".