5521991255 has 32 divisors (see below), whose sum is σ = 7712610048. Its totient is φ = 3750822400.

The previous prime is 5521991249. The next prime is 5521991257.

5521991255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5521991255 - 2³⁰ = 4448249431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521991257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99944 + ... + 145026.

It is an arithmetic number, because the mean of its divisors is an integer number (241019064).

Almost surely, 2^5521991255 is an apocalyptic number.

5521991255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5521991255 is a deficient number, since it is larger than the sum of its proper divisors (2190618793).

5521991255 is a wasteful number, since it uses less digits than its factorization.

5521991255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45247.

The product of its digits is 202500, while the sum is 44.

The square root of 5521991255 is about 74310.1019714009. The cubic root of 5521991255 is about 1767.5236690312.

The spelling of 5521991255 in words is "five billion, five hundred twenty-one million, nine hundred ninety-one thousand, two hundred fifty-five".