550157297 has 2 divisors, whose sum is σ = 550157298. Its totient is φ = 550157296.

The previous prime is 550157287. The next prime is 550157303. The reversal of 550157297 is 792751055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528264256 + 21893041 = 22984^2 + 4679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550157297 is a prime.

It is not a weakly prime, because it can be changed into another prime (550157227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275078648 + 275078649.

It is an arithmetic number, because the mean of its divisors is an integer number (275078649).

Almost surely, 2^550157297 is an apocalyptic number.

It is an amenable number.

550157297 is a deficient number, since it is larger than the sum of its proper divisors (1).

550157297 is an equidigital number, since it uses as much as digits as its factorization.

550157297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 41.

The square root of 550157297 is about 23455.4321426829. The cubic root of 550157297 is about 819.3993702939.

The spelling of 550157297 in words is "five hundred fifty million, one hundred fifty-seven thousand, two hundred ninety-seven".