55307454131 has 2 divisors, whose sum is σ = 55307454132. Its totient is φ = 55307454130.

The previous prime is 55307454119. The next prime is 55307454133. The reversal of 55307454131 is 13145470355.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55307454131 is a prime.

It is a super-2 number, since 2×55307454131² (a number of 22 digits) contains 22 as substring.

Together with 55307454133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55307454133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27653727065 + 27653727066.

It is an arithmetic number, because the mean of its divisors is an integer number (27653727066).

Almost surely, 2^55307454131 is an apocalyptic number.

55307454131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55307454131 is an equidigital number, since it uses as much as digits as its factorization.

55307454131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 55307454131 in words is "fifty-five billion, three hundred seven million, four hundred fifty-four thousand, one hundred thirty-one".