5542542421 has 24 divisors (see below), whose sum is σ = 6521475840. Its totient is φ = 4690483200.

The previous prime is 5542542389. The next prime is 5542542427. The reversal of 5542542421 is 1242452455.

It is not a de Polignac number, because 5542542421 - 2⁵ = 5542542389 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 (5542542427) 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 23 ways as a sum of consecutive naturals, for example, 71701 + ... + 127381.

It is an arithmetic number, because the mean of its divisors is an integer number (271728160).

Almost surely, 2^5542542421 is an apocalyptic number.

It is an amenable number.

5542542421 is a deficient number, since it is larger than the sum of its proper divisors (978933419).

5542542421 is a wasteful number, since it uses less digits than its factorization.

5542542421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55757 (or 55744 counting only the distinct ones).

The product of its digits is 64000, while the sum is 34.

The square root of 5542542421 is about 74448.2533106049. The cubic root of 5542542421 is about 1769.7136822881.

Adding to 5542542421 its reverse (1242452455), we get a palindrome (6784994876).

The spelling of 5542542421 in words is "five billion, five hundred forty-two million, five hundred forty-two thousand, four hundred twenty-one".