5521142501 has 32 divisors (see below), whose sum is σ = 6641418240. Its totient is φ = 4490640000.

The previous prime is 5521142461. The next prime is 5521142507. The reversal of 5521142501 is 1052411255.

It is a de Polignac number, because none of the positive numbers 2^k-5521142501 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 (5521142507) 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 31 ways as a sum of consecutive naturals, for example, 2451626 + ... + 2453876.

It is an arithmetic number, because the mean of its divisors is an integer number (207544320).

Almost surely, 2^5521142501 is an apocalyptic number.

It is an amenable number.

5521142501 is a deficient number, since it is larger than the sum of its proper divisors (1120275739).

5521142501 is a wasteful number, since it uses less digits than its factorization.

5521142501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5521142501 is about 74304.3908594909. The cubic root of 5521142501 is about 1767.4331057070.

Adding to 5521142501 its reverse (1052411255), we get a palindrome (6573553756).

The spelling of 5521142501 in words is "five billion, five hundred twenty-one million, one hundred forty-two thousand, five hundred one".