5525426665 has 16 divisors (see below), whose sum is σ = 7351868736. Its totient is φ = 3952612800.

The previous prime is 5525426663. The next prime is 5525426671. The reversal of 5525426665 is 5666245255.

It is not a de Polignac number, because 5525426665 - 2¹ = 5525426663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5525426663) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 820107 + ... + 826816.

It is an arithmetic number, because the mean of its divisors is an integer number (459491796).

Almost surely, 2^5525426665 is an apocalyptic number.

5525426665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5525426665 is a deficient number, since it is larger than the sum of its proper divisors (1826442071).

5525426665 is a wasteful number, since it uses less digits than its factorization.

5525426665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647000.

The product of its digits is 2160000, while the sum is 46.

The square root of 5525426665 is about 74333.2137405615. The cubic root of 5525426665 is about 1767.8901376601.

The spelling of 5525426665 in words is "five billion, five hundred twenty-five million, four hundred twenty-six thousand, six hundred sixty-five".