55012125643 has 2 divisors, whose sum is σ = 55012125644. Its totient is φ = 55012125642.

The previous prime is 55012125593. The next prime is 55012125691. The reversal of 55012125643 is 34652121055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55012125643 - 2¹⁷ = 55011994571 is a prime.

It is a super-2 number, since 2×55012125643² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55012125599 and 55012125608.

It is not a weakly prime, because it can be changed into another prime (55012125143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27506062821 + 27506062822.

It is an arithmetic number, because the mean of its divisors is an integer number (27506062822).

Almost surely, 2^55012125643 is an apocalyptic number.

55012125643 is a deficient number, since it is larger than the sum of its proper divisors (1).

55012125643 is an equidigital number, since it uses as much as digits as its factorization.

55012125643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 55012125643 its reverse (34652121055), we get a palindrome (89664246698).

The spelling of 55012125643 in words is "fifty-five billion, twelve million, one hundred twenty-five thousand, six hundred forty-three".