55283261331157 has 2 divisors, whose sum is σ = 55283261331158. Its totient is φ = 55283261331156.

The previous prime is 55283261331091. The next prime is 55283261331187. The reversal of 55283261331157 is 75113316238255.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55244345483716 + 38915847441 = 7432654^2 + 197271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55283261331157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55283261331187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27641630665578 + 27641630665579.

It is an arithmetic number, because the mean of its divisors is an integer number (27641630665579).

Almost surely, 2^{55283261331157} is an apocalyptic number.

It is an amenable number.

55283261331157 is a deficient number, since it is larger than the sum of its proper divisors (1).

55283261331157 is an equidigital number, since it uses as much as digits as its factorization.

55283261331157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 52.

The spelling of 55283261331157 in words is "fifty-five trillion, two hundred eighty-three billion, two hundred sixty-one million, three hundred thirty-one thousand, one hundred fifty-seven".