55234215719 has 2 divisors, whose sum is σ = 55234215720. Its totient is φ = 55234215718.

The previous prime is 55234215703. The next prime is 55234215731. The reversal of 55234215719 is 91751243255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55234215719 - 2⁴ = 55234215703 is a prime.

It is a super-2 number, since 2×55234215719² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55234215719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55234218719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27617107859 + 27617107860.

It is an arithmetic number, because the mean of its divisors is an integer number (27617107860).

Almost surely, 2^55234215719 is an apocalyptic number.

55234215719 is a deficient number, since it is larger than the sum of its proper divisors (1).

55234215719 is an equidigital number, since it uses as much as digits as its factorization.

55234215719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 44.

The spelling of 55234215719 in words is "fifty-five billion, two hundred thirty-four million, two hundred fifteen thousand, seven hundred nineteen".