54192539 has 2 divisors, whose sum is σ = 54192540. Its totient is φ = 54192538.

The previous prime is 54192521. The next prime is 54192563. The reversal of 54192539 is 93529145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54192539 - 2²⁰ = 53143963 is a prime.

It is not a weakly prime, because it can be changed into another prime (54192839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27096269 + 27096270.

It is an arithmetic number, because the mean of its divisors is an integer number (27096270).

Almost surely, 2^54192539 is an apocalyptic number.

54192539 is a deficient number, since it is larger than the sum of its proper divisors (1).

54192539 is an equidigital number, since it uses as much as digits as its factorization.

54192539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 54192539 is about 7361.5581910354. The cubic root of 54192539 is about 378.4250116254.

The spelling of 54192539 in words is "fifty-four million, one hundred ninety-two thousand, five hundred thirty-nine".