55102436266 has 4 divisors (see below), whose sum is σ = 82653654402. Its totient is φ = 27551218132.

The previous prime is 55102436251. The next prime is 55102436269. The reversal of 55102436266 is 66263420155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49252481041 + 5849955225 = 221929^2 + 76485^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55102436269) by changing a digit.

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, 13775609065 + ... + 13775609068.

Almost surely, 2^55102436266 is an apocalyptic number.

55102436266 is a deficient number, since it is larger than the sum of its proper divisors (27551218136).

55102436266 is a wasteful number, since it uses less digits than its factorization.

55102436266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27551218135.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 55102436266 in words is "fifty-five billion, one hundred two million, four hundred thirty-six thousand, two hundred sixty-six".