5521123545 has 32 divisors (see below), whose sum is σ = 10151581440. Its totient is φ = 2509989120.

The previous prime is 5521123519. The next prime is 5521123549. The reversal of 5521123545 is 5453211255.

It is not a de Polignac number, because 5521123545 - 2¹⁶ = 5521058009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5521123549) 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, 126250 + ... + 164259.

It is an arithmetic number, because the mean of its divisors is an integer number (317236920).

Almost surely, 2^5521123545 is an apocalyptic number.

It is an amenable number.

5521123545 is a deficient number, since it is larger than the sum of its proper divisors (4630457895).

5521123545 is a wasteful number, since it uses less digits than its factorization.

5521123545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290705.

The product of its digits is 30000, while the sum is 33.

The square root of 5521123545 is about 74304.2633029896. The cubic root of 5521123545 is about 1767.4310829674.

The spelling of 5521123545 in words is "five billion, five hundred twenty-one million, one hundred twenty-three thousand, five hundred forty-five".