54486239 has 2 divisors, whose sum is σ = 54486240. Its totient is φ = 54486238.

The previous prime is 54486151. The next prime is 54486269. The reversal of 54486239 is 93268445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54486239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54486196 and 54486205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54486269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27243119 + 27243120.

It is an arithmetic number, because the mean of its divisors is an integer number (27243120).

Almost surely, 2^54486239 is an apocalyptic number.

54486239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54486239 is an equidigital number, since it uses as much as digits as its factorization.

54486239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 54486239 is about 7381.4794587535. The cubic root of 54486239 is about 379.1074133441.

The spelling of 54486239 in words is "fifty-four million, four hundred eighty-six thousand, two hundred thirty-nine".