54180816 has 40 divisors (see below), whose sum is σ = 144797280. Its totient is φ = 17437056.

The previous prime is 54180811. The next prime is 54180827. The reversal of 54180816 is 61808145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54180811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18070 + ... + 20853.

It is an arithmetic number, because the mean of its divisors is an integer number (3619932).

Almost surely, 2^54180816 is an apocalyptic number.

It is an amenable number.

54180816 is an abundant number, since it is smaller than the sum of its proper divisors (90616464).

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

54180816 is a wasteful number, since it uses less digits than its factorization.

54180816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38963 (or 38957 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 54180816 is about 7360.7619170844. The cubic root of 54180816 is about 378.3977225286.

The spelling of 54180816 in words is "fifty-four million, one hundred eighty thousand, eight hundred sixteen".