5251906655 has 16 divisors (see below), whose sum is σ = 6367954944. Its totient is φ = 4157805600.

The previous prime is 5251906631. The next prime is 5251906657. The reversal of 5251906655 is 5566091525.

It is not a de Polignac number, because 5251906655 - 2⁶ = 5251906591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251906657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002152 + ... + 1007378.

It is an arithmetic number, because the mean of its divisors is an integer number (397997184).

Almost surely, 2^5251906655 is an apocalyptic number.

5251906655 is a deficient number, since it is larger than the sum of its proper divisors (1116048289).

5251906655 is a wasteful number, since it uses less digits than its factorization.

5251906655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286.

The product of its (nonzero) digits is 405000, while the sum is 44.

The square root of 5251906655 is about 72470.0397060744. The cubic root of 5251906655 is about 1738.2236964567.

The spelling of 5251906655 in words is "five billion, two hundred fifty-one million, nine hundred six thousand, six hundred fifty-five".