55011109942 has 8 divisors (see below), whose sum is σ = 83166402816. Its totient is φ = 27288975672.

The previous prime is 55011109921. The next prime is 55011109943. The reversal of 55011109942 is 24990111055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55011109942² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011109943) 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, 108289333 + ... + 108289840.

It is an arithmetic number, because the mean of its divisors is an integer number (10395800352).

Almost surely, 2^55011109942 is an apocalyptic number.

55011109942 is a deficient number, since it is larger than the sum of its proper divisors (28155292874).

55011109942 is a wasteful number, since it uses less digits than its factorization.

55011109942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216579302.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 55011109942 in words is "fifty-five billion, eleven million, one hundred nine thousand, nine hundred forty-two".