550605157 has 2 divisors, whose sum is σ = 550605158. Its totient is φ = 550605156.

The previous prime is 550605149. The next prime is 550605173. The reversal of 550605157 is 751506055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493239681 + 57365476 = 22209^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 550605157 - 2³ = 550605149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550605127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275302578 + 275302579.

It is an arithmetic number, because the mean of its divisors is an integer number (275302579).

Almost surely, 2^550605157 is an apocalyptic number.

It is an amenable number.

550605157 is a deficient number, since it is larger than the sum of its proper divisors (1).

550605157 is an equidigital number, since it uses as much as digits as its factorization.

550605157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 550605157 is about 23464.9772426909. The cubic root of 550605157 is about 819.6216562165.

The spelling of 550605157 in words is "five hundred fifty million, six hundred five thousand, one hundred fifty-seven".