5524042421 has 4 divisors (see below), whose sum is σ = 5525875200. Its totient is φ = 5522209644.

The previous prime is 5524042417. The next prime is 5524042423. The reversal of 5524042421 is 1242404255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1242404255 = 5 ⋅248480851.

It is a cyclic number.

It is not a de Polignac number, because 5524042421 - 2² = 5524042417 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 (5524042423) 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, 911861 + ... + 917898.

It is an arithmetic number, because the mean of its divisors is an integer number (1381468800).

Almost surely, 2^5524042421 is an apocalyptic number.

It is an amenable number.

5524042421 is a deficient number, since it is larger than the sum of its proper divisors (1832779).

5524042421 is a wasteful number, since it uses less digits than its factorization.

5524042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832778.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 5524042421 is about 74323.9020840537. The cubic root of 5524042421 is about 1767.7424932125.

Adding to 5524042421 its reverse (1242404255), we get a palindrome (6766446676).

The spelling of 5524042421 in words is "five billion, five hundred twenty-four million, forty-two thousand, four hundred twenty-one".