54164459 has 4 divisors (see below), whose sum is σ = 57015240. Its totient is φ = 51313680.

The previous prime is 54164441. The next prime is 54164479. The reversal of 54164459 is 95446145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95446145 = 5 ⋅19089229.

It is not a de Polignac number, because 54164459 - 2¹² = 54160363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54164479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425362 + ... + 1425399.

It is an arithmetic number, because the mean of its divisors is an integer number (14253810).

Almost surely, 2^54164459 is an apocalyptic number.

54164459 is a deficient number, since it is larger than the sum of its proper divisors (2850781).

54164459 is a wasteful number, since it uses less digits than its factorization.

54164459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850780.

The product of its digits is 86400, while the sum is 38.

The square root of 54164459 is about 7359.6507389957. The cubic root of 54164459 is about 378.3596397103.

The spelling of 54164459 in words is "fifty-four million, one hundred sixty-four thousand, four hundred fifty-nine".