54168945 has 16 divisors (see below), whose sum is σ = 86856000. Its totient is φ = 28828224.

The previous prime is 54168911. The next prime is 54168973. The reversal of 54168945 is 54986145.

It is not a de Polignac number, because 54168945 - 2⁸ = 54168689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54168897 and 54168906.

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, 3867 + ... + 11103.

It is an arithmetic number, because the mean of its divisors is an integer number (5428500).

Almost surely, 2^54168945 is an apocalyptic number.

It is an amenable number.

54168945 is a deficient number, since it is larger than the sum of its proper divisors (32687055).

54168945 is a wasteful number, since it uses less digits than its factorization.

54168945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744.

The product of its digits is 172800, while the sum is 42.

The square root of 54168945 is about 7359.9555025829. The cubic root of 54168945 is about 378.3700849021.

The spelling of 54168945 in words is "fifty-four million, one hundred sixty-eight thousand, nine hundred forty-five".