55351357 has 2 divisors, whose sum is σ = 55351358. Its totient is φ = 55351356.

The previous prime is 55351349. The next prime is 55351367. The reversal of 55351357 is 75315355.

55351357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 11115556 = 6651^2 + 3334^2 .

It is a cyclic number.

It is not a de Polignac number, because 55351357 - 2³ = 55351349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55351327) 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, 27675678 + 27675679.

It is an arithmetic number, because the mean of its divisors is an integer number (27675679).

Almost surely, 2^55351357 is an apocalyptic number.

It is an amenable number.

55351357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55351357 is an equidigital number, since it uses as much as digits as its factorization.

55351357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39375, while the sum is 34.

The square root of 55351357 is about 7439.8492592256. The cubic root of 55351357 is about 381.1033422478.

The spelling of 55351357 in words is "fifty-five million, three hundred fifty-one thousand, three hundred fifty-seven".