5552812781 has 8 divisors (see below), whose sum is σ = 5568865344. Its totient is φ = 5536780480.

The previous prime is 5552812763. The next prime is 5552812807. The reversal of 5552812781 is 1872182555.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5552812781 - 2¹⁸ = 5552550637 is a prime.

It is a super-2 number, since 2×5552812781² = 61667459561673907922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5552812711) 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 in 7 ways as a sum of consecutive naturals, for example, 667061 + ... + 675333.

It is an arithmetic number, because the mean of its divisors is an integer number (696108168).

Almost surely, 2^5552812781 is an apocalyptic number.

It is an amenable number.

5552812781 is a deficient number, since it is larger than the sum of its proper divisors (16052563).

5552812781 is a wasteful number, since it uses less digits than its factorization.

5552812781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131.

The product of its digits is 224000, while the sum is 44.

The square root of 5552812781 is about 74517.1978874676. The cubic root of 5552812781 is about 1770.8061040376.

The spelling of 5552812781 in words is "five billion, five hundred fifty-two million, eight hundred twelve thousand, seven hundred eighty-one".