55613005219 has 2 divisors, whose sum is σ = 55613005220. Its totient is φ = 55613005218.

The previous prime is 55613005193. The next prime is 55613005237. The reversal of 55613005219 is 91250031655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55613005219 - 2³⁵ = 21253266851 is a prime.

It is a super-2 number, since 2×55613005219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55613005249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27806502609 + 27806502610.

It is an arithmetic number, because the mean of its divisors is an integer number (27806502610).

Almost surely, 2^55613005219 is an apocalyptic number.

55613005219 is a deficient number, since it is larger than the sum of its proper divisors (1).

55613005219 is an equidigital number, since it uses as much as digits as its factorization.

55613005219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 55613005219 in words is "fifty-five billion, six hundred thirteen million, five thousand, two hundred nineteen".