55227866242 has 4 divisors (see below), whose sum is σ = 82841799366. Its totient is φ = 27613933120.

The previous prime is 55227866231. The next prime is 55227866327. The reversal of 55227866242 is 24266872255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24266872255 = 5 ⋅4853374451.

It can be written as a sum of positive squares in only one way, i.e., 41197226841 + 14030639401 = 202971^2 + 118451^2 .

It is a super-3 number, since 3×55227866242³ (a number of 33 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 13806966559 + ... + 13806966562.

Almost surely, 2^55227866242 is an apocalyptic number.

55227866242 is a deficient number, since it is larger than the sum of its proper divisors (27613933124).

55227866242 is a wasteful number, since it uses less digits than its factorization.

55227866242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27613933123.

The product of its digits is 3225600, while the sum is 49.

The spelling of 55227866242 in words is "fifty-five billion, two hundred twenty-seven million, eight hundred sixty-six thousand, two hundred forty-two".