551767157 has 2 divisors, whose sum is σ = 551767158. Its totient is φ = 551767156.

The previous prime is 551767061. The next prime is 551767187. The reversal of 551767157 is 751767155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333939076 + 217828081 = 18274^2 + 14759^2 .

It is a cyclic number.

It is not a de Polignac number, because 551767157 - 2¹⁰ = 551766133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551767187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275883578 + 275883579.

It is an arithmetic number, because the mean of its divisors is an integer number (275883579).

Almost surely, 2^551767157 is an apocalyptic number.

It is an amenable number.

551767157 is a deficient number, since it is larger than the sum of its proper divisors (1).

551767157 is an equidigital number, since it uses as much as digits as its factorization.

551767157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 257250, while the sum is 44.

The square root of 551767157 is about 23489.7244981715. The cubic root of 551767157 is about 820.1978290288.

The spelling of 551767157 in words is "five hundred fifty-one million, seven hundred sixty-seven thousand, one hundred fifty-seven".