5525564123 has 4 divisors (see below), whose sum is σ = 5531399880. Its totient is φ = 5519728368.

The previous prime is 5525564117. The next prime is 5525564189. The reversal of 5525564123 is 3214655255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5525564123 - 2⁸ = 5525563867 is a prime.

It is a super-3 number, since 3×5525564123³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521564123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916458 + ... + 2918351.

It is an arithmetic number, because the mean of its divisors is an integer number (1382849970).

Almost surely, 2^5525564123 is an apocalyptic number.

5525564123 is a deficient number, since it is larger than the sum of its proper divisors (5835757).

5525564123 is an equidigital number, since it uses as much as digits as its factorization.

5525564123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835756.

The product of its digits is 180000, while the sum is 38.

The square root of 5525564123 is about 74334.1383416799. The cubic root of 5525564123 is about 1767.9047976820.

The spelling of 5525564123 in words is "five billion, five hundred twenty-five million, five hundred sixty-four thousand, one hundred twenty-three".