55982539 has 2 divisors, whose sum is σ = 55982540. Its totient is φ = 55982538.

The previous prime is 55982527. The next prime is 55982579. The reversal of 55982539 is 93528955.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55982539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55982579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27991269 + 27991270.

It is an arithmetic number, because the mean of its divisors is an integer number (27991270).

Almost surely, 2^55982539 is an apocalyptic number.

55982539 is a deficient number, since it is larger than the sum of its proper divisors (1).

55982539 is an equidigital number, since it uses as much as digits as its factorization.

55982539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 46.

The square root of 55982539 is about 7482.1480204551. The cubic root of 55982539 is about 382.5464685026.

The spelling of 55982539 in words is "fifty-five million, nine hundred eighty-two thousand, five hundred thirty-nine".