54180045 has 24 divisors (see below), whose sum is σ = 95688216. Its totient is φ = 28349568.

The previous prime is 54180031. The next prime is 54180073. The reversal of 54180045 is 54008145.

54180045 is a `hidden beast` number, since 541 + 80 + 0 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6487209 + 47692836 = 2547^2 + 6906^2 .

It is not a de Polignac number, because 54180045 - 2⁵ = 54180013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8974 + ... + 13743.

It is an arithmetic number, because the mean of its divisors is an integer number (3987009).

Almost surely, 2^54180045 is an apocalyptic number.

It is an amenable number.

54180045 is a deficient number, since it is larger than the sum of its proper divisors (41508171).

54180045 is a wasteful number, since it uses less digits than its factorization.

54180045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781 (or 22778 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54180045 is about 7360.7095446023. The cubic root of 54180045 is about 378.3959276373.

The spelling of 54180045 in words is "fifty-four million, one hundred eighty thousand, forty-five".