5495557 has 2 divisors, whose sum is σ = 5495558. Its totient is φ = 5495556.

The previous prime is 5495549. The next prime is 5495561. The reversal of 5495557 is 7555945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5239521 + 256036 = 2289^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 5495557 - 2³ = 5495549 is a prime.

It is a super-2 number, since 2×5495557² = 60402293480498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5495527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2747778 + 2747779.

It is an arithmetic number, because the mean of its divisors is an integer number (2747779).

Almost surely, 2^5495557 is an apocalyptic number.

It is an amenable number.

5495557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5495557 is an equidigital number, since it uses as much as digits as its factorization.

5495557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 40.

The square root of 5495557 is about 2344.2604377500. The cubic root of 5495557 is about 176.4698726354.

It can be divided in two parts, 54 and 95557, that multiplied together give a triangular number (5160078 = T₃₂₁₂).

The spelling of 5495557 in words is "five million, four hundred ninety-five thousand, five hundred fifty-seven".