55759157 has 2 divisors, whose sum is σ = 55759158. Its totient is φ = 55759156.

The previous prime is 55759147. The next prime is 55759159. The reversal of 55759157 is 75195755.

It is a happy number.

55759157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47969476 + 7789681 = 6926^2 + 2791^2 .

It is a cyclic number.

It is not a de Polignac number, because 55759157 - 2¹² = 55755061 is a prime.

Together with 55759159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55759159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27879578 + 27879579.

It is an arithmetic number, because the mean of its divisors is an integer number (27879579).

Almost surely, 2^55759157 is an apocalyptic number.

It is an amenable number.

55759157 is a deficient number, since it is larger than the sum of its proper divisors (1).

55759157 is an equidigital number, since it uses as much as digits as its factorization.

55759157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275625, while the sum is 44.

The square root of 55759157 is about 7467.2054344313. The cubic root of 55759157 is about 382.0369768579.

The spelling of 55759157 in words is "fifty-five million, seven hundred fifty-nine thousand, one hundred fifty-seven".