54547816 has 16 divisors (see below), whose sum is σ = 102356100. Its totient is φ = 27252864.

The previous prime is 54547813. The next prime is 54547877. The reversal of 54547816 is 61874545.

It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 6522916 = 6930^2 + 2554^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (54547813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16996 + ... + 19948.

Almost surely, 2^54547816 is an apocalyptic number.

It is an amenable number.

54547816 is a deficient number, since it is larger than the sum of its proper divisors (47808284).

54547816 is a wasteful number, since it uses less digits than its factorization.

54547816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268 (or 5264 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 54547816 is about 7385.6493282581. The cubic root of 54547816 is about 379.2501742139.

The spelling of 54547816 in words is "fifty-four million, five hundred forty-seven thousand, eight hundred sixteen".