54215593 has 4 divisors (see below), whose sum is σ = 54548368. Its totient is φ = 53882820.

The previous prime is 54215543. The next prime is 54215597. The reversal of 54215593 is 39551245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39551245 = 5 ⋅7910249.

It is a cyclic number.

It is not a de Polignac number, because 54215593 - 2¹⁷ = 54084521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54215597) 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, 166143 + ... + 166468.

It is an arithmetic number, because the mean of its divisors is an integer number (13637092).

Almost surely, 2^54215593 is an apocalyptic number.

It is an amenable number.

54215593 is a deficient number, since it is larger than the sum of its proper divisors (332775).

54215593 is a wasteful number, since it uses less digits than its factorization.

54215593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332774.

The product of its digits is 27000, while the sum is 34.

The square root of 54215593 is about 7363.1238615142. The cubic root of 54215593 is about 378.4786658341.

The spelling of 54215593 in words is "fifty-four million, two hundred fifteen thousand, five hundred ninety-three".