5501881863 has 24 divisors (see below), whose sum is σ = 8151537680. Its totient is φ = 3574005120.

The previous prime is 5501881849. The next prime is 5501881873. The reversal of 5501881863 is 3681881055.

5501881863 is a `hidden beast` number, since 5 + 501 + 8 + 81 + 8 + 63 = 666.

It is not a de Polignac number, because 5501881863 - 2¹⁷ = 5501750791 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501881873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146043 + ... + 179811.

Almost surely, 2^5501881863 is an apocalyptic number.

5501881863 is a deficient number, since it is larger than the sum of its proper divisors (2649655817).

5501881863 is a wasteful number, since it uses less digits than its factorization.

5501881863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34239 (or 34236 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 5501881863 is about 74174.6713036195. The cubic root of 5501881863 is about 1765.3754668852.

It can be divided in two parts, 5501 and 881863, that added together give a square (887364 = 942²).

The spelling of 5501881863 in words is "five billion, five hundred one million, eight hundred eighty-one thousand, eight hundred sixty-three".