55117151242 has 16 divisors (see below), whose sum is σ = 85469214600. Its totient is φ = 26639746560.

The previous prime is 55117151227. The next prime is 55117151279. The reversal of 55117151242 is 24215171155.

It can be written as a sum of positive squares in 4 ways, for example, as 43306026201 + 11811125041 = 208101^2 + 108679^2 .

It is a super-2 number, since 2×55117151242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55117151198 and 55117151207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3074367 + ... + 3092242.

Almost surely, 2^55117151242 is an apocalyptic number.

55117151242 is a deficient number, since it is larger than the sum of its proper divisors (30352063358).

55117151242 is a wasteful number, since it uses less digits than its factorization.

55117151242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166761.

The product of its digits is 14000, while the sum is 34.

The spelling of 55117151242 in words is "fifty-five billion, one hundred seventeen million, one hundred fifty-one thousand, two hundred forty-two".