55133633633155 has 48 divisors (see below), whose sum is σ = 83985847432704. Its totient is φ = 34357865277120.

The previous prime is 55133633633131. The next prime is 55133633633279.

55133633633155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55133633633155 - 2⁹ = 55133633632643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4990854 + ... + 11626516.

It is an arithmetic number, because the mean of its divisors is an integer number (1749705154848).

Almost surely, 2^{55133633633155} is an apocalyptic number.

55133633633155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55133633633155 is a deficient number, since it is larger than the sum of its proper divisors (28852213799549).

55133633633155 is a wasteful number, since it uses less digits than its factorization.

55133633633155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638776 (or 6638769 counting only the distinct ones).

The product of its digits is 16402500, while the sum is 52.

The spelling of 55133633633155 in words is "fifty-five trillion, one hundred thirty-three billion, six hundred thirty-three million, six hundred thirty-three thousand, one hundred fifty-five".