54156816 has 80 divisors (see below), whose sum is σ = 177667200. Its totient is φ = 15472512.

The previous prime is 54156799. The next prime is 54156827. The reversal of 54156816 is 61865145.

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

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, 5931 + ... + 11978.

It is an arithmetic number, because the mean of its divisors is an integer number (2220840).

Almost surely, 2^54156816 is an apocalyptic number.

54156816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54156816 is an abundant number, since it is smaller than the sum of its proper divisors (123510384).

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

54156816 is a wasteful number, since it uses less digits than its factorization.

54156816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17933 (or 17921 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 54156816 is about 7359.1314704930. The cubic root of 54156816 is about 378.3418424388.

The spelling of 54156816 in words is "fifty-four million, one hundred fifty-six thousand, eight hundred sixteen".