55131255353 has 2 divisors, whose sum is σ = 55131255354. Its totient is φ = 55131255352.

The previous prime is 55131255341. The next prime is 55131255367. The reversal of 55131255353 is 35355213155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54555879184 + 575376169 = 233572^2 + 23987^2 .

It is a cyclic number.

It is not a de Polignac number, because 55131255353 - 2⁸ = 55131255097 is a prime.

It is not a weakly prime, because it can be changed into another prime (55131258353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27565627676 + 27565627677.

It is an arithmetic number, because the mean of its divisors is an integer number (27565627677).

Almost surely, 2^55131255353 is an apocalyptic number.

It is an amenable number.

55131255353 is a deficient number, since it is larger than the sum of its proper divisors (1).

55131255353 is an equidigital number, since it uses as much as digits as its factorization.

55131255353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168750, while the sum is 38.

The spelling of 55131255353 in words is "fifty-five billion, one hundred thirty-one million, two hundred fifty-five thousand, three hundred fifty-three".