54684147 has 32 divisors (see below), whose sum is σ = 89536000. Its totient is φ = 29592864.

The previous prime is 54684139. The next prime is 54684151. The reversal of 54684147 is 74148645.

It is not a de Polignac number, because 54684147 - 2³ = 54684139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54684647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18153 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (2798000).

Almost surely, 2^54684147 is an apocalyptic number.

54684147 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54684147 is a deficient number, since it is larger than the sum of its proper divisors (34851853).

54684147 is a wasteful number, since it uses less digits than its factorization.

54684147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2826 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 54684147 is about 7394.8730212222. The cubic root of 54684147 is about 379.5658638533.

The spelling of 54684147 in words is "fifty-four million, six hundred eighty-four thousand, one hundred forty-seven".