5551223357 has 2 divisors, whose sum is σ = 5551223358. Its totient is φ = 5551223356.

The previous prime is 5551223311. The next prime is 5551223371. The reversal of 5551223357 is 7533221555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3728445721 + 1822777636 = 61061^2 + 42694^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551223357 - 2⁸ = 5551223101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5551223357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551222357) 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 as a sum of consecutive naturals, namely, 2775611678 + 2775611679.

It is an arithmetic number, because the mean of its divisors is an integer number (2775611679).

Almost surely, 2^5551223357 is an apocalyptic number.

It is an amenable number.

5551223357 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551223357 is an equidigital number, since it uses as much as digits as its factorization.

5551223357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157500, while the sum is 38.

The square root of 5551223357 is about 74506.5323109323. The cubic root of 5551223357 is about 1770.6371307971.

The spelling of 5551223357 in words is "five billion, five hundred fifty-one million, two hundred twenty-three thousand, three hundred fifty-seven".