55510499999 has 2 divisors, whose sum is σ = 55510500000. Its totient is φ = 55510499998.

The previous prime is 55510499981. The next prime is 55510500029. The reversal of 55510499999 is 99999401555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55510499999 - 2⁸ = 55510499743 is a prime.

It is a super-2 number, since 2×55510499999² (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 (55510499909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755249999 + 27755250000.

It is an arithmetic number, because the mean of its divisors is an integer number (27755250000).

Almost surely, 2^55510499999 is an apocalyptic number.

55510499999 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510499999 is an equidigital number, since it uses as much as digits as its factorization.

55510499999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29524500, while the sum is 65.

The spelling of 55510499999 in words is "fifty-five billion, five hundred ten million, four hundred ninety-nine thousand, nine hundred ninety-nine".