5521502431 has 4 divisors (see below), whose sum is σ = 5656173264. Its totient is φ = 5386831600.

The previous prime is 5521502401. The next prime is 5521502443. The reversal of 5521502431 is 1342051255.

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 5521502431 - 2¹⁵ = 5521469663 is a prime.

It is a super-2 number, since 2×5521502431² = 60973978191077819522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5521502431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521502401) 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, 67335355 + ... + 67335436.

It is an arithmetic number, because the mean of its divisors is an integer number (1414043316).

Almost surely, 2^5521502431 is an apocalyptic number.

5521502431 is a deficient number, since it is larger than the sum of its proper divisors (134670833).

5521502431 is a wasteful number, since it uses less digits than its factorization.

5521502431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134670832.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 5521502431 is about 74306.8128168609. The cubic root of 5521502431 is about 1767.4715119109.

Adding to 5521502431 its reverse (1342051255), we get a palindrome (6863553686).

The spelling of 5521502431 in words is "five billion, five hundred twenty-one million, five hundred two thousand, four hundred thirty-one".