54212393 has 4 divisors (see below), whose sum is σ = 54347988. Its totient is φ = 54076800.

The previous prime is 54212387. The next prime is 54212399. The reversal of 54212393 is 39321245.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54212387) and next prime (54212399).

It can be written as a sum of positive squares in 2 ways, for example, as 49730704 + 4481689 = 7052^2 + 2117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54212393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54212399) 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, 67196 + ... + 67997.

It is an arithmetic number, because the mean of its divisors is an integer number (13586997).

Almost surely, 2^54212393 is an apocalyptic number.

It is an amenable number.

54212393 is a deficient number, since it is larger than the sum of its proper divisors (135595).

54212393 is a wasteful number, since it uses less digits than its factorization.

54212393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135594.

The product of its digits is 6480, while the sum is 29.

The square root of 54212393 is about 7362.9065592332. The cubic root of 54212393 is about 378.4712192953.

The spelling of 54212393 in words is "fifty-four million, two hundred twelve thousand, three hundred ninety-three".