55510255111 has 4 divisors (see below), whose sum is σ = 55513083672. Its totient is φ = 55507426552.

The previous prime is 55510255093. The next prime is 55510255123. The reversal of 55510255111 is 11155201555.

It is a happy number.

55510255111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55510255111 - 2⁷ = 55510254983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55510255811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384636 + ... + 1424161.

It is an arithmetic number, because the mean of its divisors is an integer number (13878270918).

Almost surely, 2^55510255111 is an apocalyptic number.

55510255111 is a deficient number, since it is larger than the sum of its proper divisors (2828561).

55510255111 is a wasteful number, since it uses less digits than its factorization.

55510255111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828560.

The product of its (nonzero) digits is 6250, while the sum is 31.

Adding to 55510255111 its reverse (11155201555), we get a palindrome (66665456666).

The spelling of 55510255111 in words is "fifty-five billion, five hundred ten million, two hundred fifty-five thousand, one hundred eleven".