54471816 has 48 divisors (see below), whose sum is σ = 168604800. Its totient is φ = 15563232.

The previous prime is 54471811. The next prime is 54471853. The reversal of 54471816 is 61817445.

It is a happy number.

54471816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (54471811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53536 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (3512600).

Almost surely, 2^54471816 is an apocalyptic number.

54471816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54471816 is an abundant number, since it is smaller than the sum of its proper divisors (114132984).

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

54471816 is a wasteful number, since it uses less digits than its factorization.

54471816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108098 (or 108091 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 54471816 is about 7380.5024219222. The cubic root of 54471816 is about 379.0739593390.

The spelling of 54471816 in words is "fifty-four million, four hundred seventy-one thousand, eight hundred sixteen".