5551157 has 2 divisors, whose sum is σ = 5551158. Its totient is φ = 5551156.

The previous prime is 5551121. The next prime is 5551159. The reversal of 5551157 is 7511555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 1705636 = 1961^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551157 - 2¹⁰ = 5550133 is a prime.

Together with 5551159, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775578 + 2775579.

It is an arithmetic number, because the mean of its divisors is an integer number (2775579).

Almost surely, 2^5551157 is an apocalyptic number.

It is an amenable number.

5551157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551157 is an equidigital number, since it uses as much as digits as its factorization.

5551157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4375, while the sum is 29.

The square root of 5551157 is about 2356.0893446557. The cubic root of 5551157 is about 177.0630075617.

The spelling of 5551157 in words is "five million, five hundred fifty-one thousand, one hundred fifty-seven".