54475439 has 4 divisors (see below), whose sum is σ = 54661656. Its totient is φ = 54289224.

The previous prime is 54475423. The next prime is 54475457. The reversal of 54475439 is 93457445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93457445 = 5 ⋅18691489.

It is a cyclic number.

It is not a de Polignac number, because 54475439 - 2⁴ = 54475423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54475396 and 54475405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54475409) 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, 92669 + ... + 93254.

It is an arithmetic number, because the mean of its divisors is an integer number (13665414).

Almost surely, 2^54475439 is an apocalyptic number.

54475439 is a deficient number, since it is larger than the sum of its proper divisors (186217).

54475439 is a wasteful number, since it uses less digits than its factorization.

54475439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186216.

The product of its digits is 302400, while the sum is 41.

The square root of 54475439 is about 7380.7478618362. The cubic root of 54475439 is about 379.0823634068.

The spelling of 54475439 in words is "fifty-four million, four hundred seventy-five thousand, four hundred thirty-nine".