5542404021 has 56 divisors (see below), whose sum is σ = 10360380864. Its totient is φ = 2879141760.

The previous prime is 5542404019. The next prime is 5542404061. The reversal of 5542404021 is 1204042455.

It is not a de Polignac number, because 5542404021 - 2¹ = 5542404019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5542404061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 6765 + ... + 105501.

Almost surely, 2^5542404021 is an apocalyptic number.

It is an amenable number.

5542404021 is a deficient number, since it is larger than the sum of its proper divisors (4817976843).

5542404021 is an equidigital number, since it uses as much as digits as its factorization.

5542404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98773 (or 98758 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 5542404021 is about 74447.3238001206. The cubic root of 5542404021 is about 1769.6989519596.

Adding to 5542404021 its reverse (1204042455), we get a palindrome (6746446476).

The spelling of 5542404021 in words is "five billion, five hundred forty-two million, four hundred four thousand, twenty-one".