55972889143 has 2 divisors, whose sum is σ = 55972889144. Its totient is φ = 55972889142.

The previous prime is 55972889129. The next prime is 55972889173. The reversal of 55972889143 is 34198827955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55972889143 - 2⁵ = 55972889111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55972889173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27986444571 + 27986444572.

It is an arithmetic number, because the mean of its divisors is an integer number (27986444572).

Almost surely, 2^55972889143 is an apocalyptic number.

55972889143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55972889143 is an equidigital number, since it uses as much as digits as its factorization.

55972889143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 61.

The spelling of 55972889143 in words is "fifty-five billion, nine hundred seventy-two million, eight hundred eighty-nine thousand, one hundred forty-three".