5526403644 has 12 divisors (see below), whose sum is σ = 12894941864. Its totient is φ = 1842134544.

The previous prime is 5526403633. The next prime is 5526403667. The reversal of 5526403644 is 4463046255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×5526403644² = 61082274472832957472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230266807 + ... + 230266830.

Almost surely, 2^5526403644 is an apocalyptic number.

It is an amenable number.

5526403644 is an abundant number, since it is smaller than the sum of its proper divisors (7368538220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5526403644 is a wasteful number, since it uses less digits than its factorization.

5526403644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460533644 (or 460533642 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The square root of 5526403644 is about 74339.7850682930. The cubic root of 5526403644 is about 1767.9943280907.

Adding to 5526403644 its reverse (4463046255), we get a palindrome (9989449899).

The spelling of 5526403644 in words is "five billion, five hundred twenty-six million, four hundred three thousand, six hundred forty-four".