553251157 has 2 divisors, whose sum is σ = 553251158. Its totient is φ = 553251156.

The previous prime is 553251143. The next prime is 553251161. The reversal of 553251157 is 751152355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435723876 + 117527281 = 20874^2 + 10841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553251157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553251137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276625578 + 276625579.

It is an arithmetic number, because the mean of its divisors is an integer number (276625579).

Almost surely, 2^553251157 is an apocalyptic number.

It is an amenable number.

553251157 is a deficient number, since it is larger than the sum of its proper divisors (1).

553251157 is an equidigital number, since it uses as much as digits as its factorization.

553251157 is an evil number, because the sum of its binary digits is even.

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

The square root of 553251157 is about 23521.2915674289. The cubic root of 553251157 is about 820.9324891585.

The spelling of 553251157 in words is "five hundred fifty-three million, two hundred fifty-one thousand, one hundred fifty-seven".