55135523099 has 2 divisors, whose sum is σ = 55135523100. Its totient is φ = 55135523098.

The previous prime is 55135523087. The next prime is 55135523161. The reversal of 55135523099 is 99032553155.

55135523099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55135523099 - 2³² = 50840555803 is a prime.

It is not a weakly prime, because it can be changed into another prime (55135523059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567761549 + 27567761550.

It is an arithmetic number, because the mean of its divisors is an integer number (27567761550).

Almost surely, 2^55135523099 is an apocalyptic number.

55135523099 is a deficient number, since it is larger than the sum of its proper divisors (1).

55135523099 is an equidigital number, since it uses as much as digits as its factorization.

55135523099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 911250, while the sum is 47.

The spelling of 55135523099 in words is "fifty-five billion, one hundred thirty-five million, five hundred twenty-three thousand, ninety-nine".