5554401421 has 8 divisors (see below), whose sum is σ = 5681425304. Its totient is φ = 5428537920.

The previous prime is 5554401403. The next prime is 5554401427. The reversal of 5554401421 is 1241044555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 303804900 + 5250596521 = 17430^2 + 72461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5554401421 - 2⁵ = 5554401389 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 (5554401427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280410 + ... + 299563.

It is an arithmetic number, because the mean of its divisors is an integer number (710178163).

Almost surely, 2^5554401421 is an apocalyptic number.

It is an amenable number.

5554401421 is a deficient number, since it is larger than the sum of its proper divisors (127023883).

5554401421 is a wasteful number, since it uses less digits than its factorization.

5554401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580191.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5554401421 is about 74527.8566778892. The cubic root of 5554401421 is about 1770.9749617129.

Adding to 5554401421 its reverse (1241044555), we get a palindrome (6795445976).

The spelling of 5554401421 in words is "five billion, five hundred fifty-four million, four hundred one thousand, four hundred twenty-one".