55303530111 has 20 divisors (see below), whose sum is σ = 84846728472. Its totient is φ = 35872558128.

The previous prime is 55303530083. The next prime is 55303530173. The reversal of 55303530111 is 11103530355.

55303530111 is a `hidden beast` number, since 55 + 303 + 5 + 301 + 1 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-55303530111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55303530011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9223485 + ... + 9229478.

Almost surely, 2^55303530111 is an apocalyptic number.

55303530111 is a deficient number, since it is larger than the sum of its proper divisors (29543198361).

55303530111 is a wasteful number, since it uses less digits than its factorization.

55303530111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18453012 (or 18453003 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The spelling of 55303530111 in words is "fifty-five billion, three hundred three million, five hundred thirty thousand, one hundred eleven".