5552553421 has 2 divisors, whose sum is σ = 5552553422. Its totient is φ = 5552553420.

The previous prime is 5552553403. The next prime is 5552553439. The reversal of 5552553421 is 1243552555.

It is a balanced prime because it is at equal distance from previous prime (5552553403) and next prime (5552553439).

It can be written as a sum of positive squares in only one way, i.e., 4317804100 + 1234749321 = 65710^2 + 35139^2 .

It is a cyclic number.

It is not a de Polignac number, because 5552553421 - 2¹⁷ = 5552422349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5552553401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776276710 + 2776276711.

It is an arithmetic number, because the mean of its divisors is an integer number (2776276711).

Almost surely, 2^5552553421 is an apocalyptic number.

It is an amenable number.

5552553421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5552553421 is an equidigital number, since it uses as much as digits as its factorization.

5552553421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150000, while the sum is 37.

The square root of 5552553421 is about 74515.4575977361. The cubic root of 5552553421 is about 1770.7785334207.

The spelling of 5552553421 in words is "five billion, five hundred fifty-two million, five hundred fifty-three thousand, four hundred twenty-one".