5503551781226 has 4 divisors (see below), whose sum is σ = 8255327671842. Its totient is φ = 2751775890612.

The previous prime is 5503551781177. The next prime is 5503551781229. The reversal of 5503551781226 is 6221871553055.

It is a Cunningham number, because it is equal to 2345965²+1.

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., 5503551781225 + 1 = 2345965^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (5503551781229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375887945305 + ... + 1375887945308.

Almost surely, 2^{5503551781226} is an apocalyptic number.

5503551781226 is a deficient number, since it is larger than the sum of its proper divisors (2751775890616).

5503551781226 is a wasteful number, since it uses less digits than its factorization.

5503551781226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751775890615.

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 5503551781226 in words is "five trillion, five hundred three billion, five hundred fifty-one million, seven hundred eighty-one thousand, two hundred twenty-six".