54197339 has 4 divisors (see below), whose sum is σ = 61939824. Its totient is φ = 46454856.

The previous prime is 54197333. The next prime is 54197347. The reversal of 54197339 is 93379145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93379145 = 5 ⋅18675829.

It is not a de Polignac number, because 54197339 - 2²⁰ = 53148763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54197296 and 54197305.

It is not an unprimeable number, because it can be changed into a prime (54197333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871232 + ... + 3871245.

It is an arithmetic number, because the mean of its divisors is an integer number (15484956).

Almost surely, 2^54197339 is an apocalyptic number.

54197339 is a deficient number, since it is larger than the sum of its proper divisors (7742485).

54197339 is an equidigital number, since it uses as much as digits as its factorization.

54197339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742484.

The product of its digits is 102060, while the sum is 41.

The square root of 54197339 is about 7361.8842017516. The cubic root of 54197339 is about 378.4361840517.

The spelling of 54197339 in words is "fifty-four million, one hundred ninety-seven thousand, three hundred thirty-nine".