33401555055 has 24 divisors (see below), whose sum is σ = 63159305040. Its totient is φ = 16194693120.

The previous prime is 33401554997. The next prime is 33401555081. The reversal of 33401555055 is 55055510433.

33401555055 is a `hidden beast` number, since 3 + 3 + 40 + 15 + 550 + 55 = 666.

It is not a de Polignac number, because 33401555055 - 2¹⁴ = 33401538671 is a prime.

It is a super-2 number, since 2×33401555055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33738450 + ... + 33739439.

It is an arithmetic number, because the mean of its divisors is an integer number (2631637710).

Almost surely, 2^33401555055 is an apocalyptic number.

33401555055 is a deficient number, since it is larger than the sum of its proper divisors (29757749985).

33401555055 is a wasteful number, since it uses less digits than its factorization.

33401555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67477911 (or 67477908 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 33401555055 in words is "thirty-three billion, four hundred one million, five hundred fifty-five thousand, fifty-five".