5221013655 has 64 divisors (see below), whose sum is σ = 9948782592. Its totient is φ = 2304599040.

The previous prime is 5221013647. The next prime is 5221013683. The reversal of 5221013655 is 5563101225.

It is a happy number.

It is not a de Polignac number, because 5221013655 - 2³ = 5221013647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139914 + ... + 173256.

It is an arithmetic number, because the mean of its divisors is an integer number (155449728).

Almost surely, 2^5221013655 is an apocalyptic number.

5221013655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5221013655 is a deficient number, since it is larger than the sum of its proper divisors (4727768937).

5221013655 is a wasteful number, since it uses less digits than its factorization.

5221013655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33448.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5221013655 is about 72256.5820877240. The cubic root of 5221013655 is about 1734.8087728405.

The spelling of 5221013655 in words is "five billion, two hundred twenty-one million, thirteen thousand, six hundred fifty-five".