5550225397 has 2 divisors, whose sum is σ = 5550225398. Its totient is φ = 5550225396.

The previous prime is 5550225389. The next prime is 5550225409. The reversal of 5550225397 is 7935220555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5517666961 + 32558436 = 74281^2 + 5706^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550225397 - 2³ = 5550225389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550225097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775112698 + 2775112699.

It is an arithmetic number, because the mean of its divisors is an integer number (2775112699).

Almost surely, 2^5550225397 is an apocalyptic number.

It is an amenable number.

5550225397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550225397 is an equidigital number, since it uses as much as digits as its factorization.

5550225397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 5550225397 is about 74499.8348790116. The cubic root of 5550225397 is about 1770.5310201968.

The spelling of 5550225397 in words is "five billion, five hundred fifty million, two hundred twenty-five thousand, three hundred ninety-seven".