55243524131 has 2 divisors, whose sum is σ = 55243524132. Its totient is φ = 55243524130.

The previous prime is 55243524113. The next prime is 55243524169. The reversal of 55243524131 is 13142534255.

Together with previous prime (55243524113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55243524131 - 2⁶ = 55243524067 is a prime.

It is a super-2 number, since 2×55243524131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55243524091 and 55243524100.

It is not a weakly prime, because it can be changed into another prime (55243524101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621762065 + 27621762066.

It is an arithmetic number, because the mean of its divisors is an integer number (27621762066).

Almost surely, 2^55243524131 is an apocalyptic number.

55243524131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55243524131 is an equidigital number, since it uses as much as digits as its factorization.

55243524131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 35.

The spelling of 55243524131 in words is "fifty-five billion, two hundred forty-three million, five hundred twenty-four thousand, one hundred thirty-one".