55939403519 has 2 divisors, whose sum is σ = 55939403520. Its totient is φ = 55939403518.

The previous prime is 55939403503. The next prime is 55939403539. The reversal of 55939403519 is 91530493955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55939403519 - 2⁴ = 55939403503 is a prime.

It is a super-2 number, since 2×55939403519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55939403539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27969701759 + 27969701760.

It is an arithmetic number, because the mean of its divisors is an integer number (27969701760).

Almost surely, 2^55939403519 is an apocalyptic number.

55939403519 is a deficient number, since it is larger than the sum of its proper divisors (1).

55939403519 is an equidigital number, since it uses as much as digits as its factorization.

55939403519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3280500, while the sum is 53.

The spelling of 55939403519 in words is "fifty-five billion, nine hundred thirty-nine million, four hundred three thousand, five hundred nineteen".