54668457 has 12 divisors (see below), whose sum is σ = 80892084. Its totient is φ = 35556480.

The previous prime is 54668441. The next prime is 54668479. The reversal of 54668457 is 75486645.

54668457 is a `hidden beast` number, since 546 + 68 + 45 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15280281 + 39388176 = 3909^2 + 6276^2 .

It is not a de Polignac number, because 54668457 - 2⁴ = 54668441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54664457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73708 + ... + 74445.

It is an arithmetic number, because the mean of its divisors is an integer number (6741007).

Almost surely, 2^54668457 is an apocalyptic number.

It is an amenable number.

54668457 is a deficient number, since it is larger than the sum of its proper divisors (26223627).

54668457 is a wasteful number, since it uses less digits than its factorization.

54668457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148200 (or 148197 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 54668457 is about 7393.8120749719. The cubic root of 54668457 is about 379.5295586448.

The spelling of 54668457 in words is "fifty-four million, six hundred sixty-eight thousand, four hundred fifty-seven".