5526901991 has 16 divisors (see below), whose sum is σ = 6149068800. Its totient is φ = 4933150560.

The previous prime is 5526901969. The next prime is 5526901993. The reversal of 5526901991 is 1991096255.

It is not a de Polignac number, because 5526901991 - 2¹⁴ = 5526885607 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 (5526901993) 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 15 ways as a sum of consecutive naturals, for example, 558896 + ... + 568698.

It is an arithmetic number, because the mean of its divisors is an integer number (384316800).

Almost surely, 2^5526901991 is an apocalyptic number.

5526901991 is a deficient number, since it is larger than the sum of its proper divisors (622166809).

5526901991 is a wasteful number, since it uses less digits than its factorization.

5526901991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246.

The product of its (nonzero) digits is 218700, while the sum is 47.

The square root of 5526901991 is about 74343.1368116789. The cubic root of 5526901991 is about 1768.0474698349.

The spelling of 5526901991 in words is "five billion, five hundred twenty-six million, nine hundred one thousand, nine hundred ninety-one".