55651001543 has 2 divisors, whose sum is σ = 55651001544. Its totient is φ = 55651001542.

The previous prime is 55651001531. The next prime is 55651001563. The reversal of 55651001543 is 34510015655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55651001543 - 2¹⁰ = 55651000519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55651001513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825500771 + 27825500772.

It is an arithmetic number, because the mean of its divisors is an integer number (27825500772).

Almost surely, 2^55651001543 is an apocalyptic number.

55651001543 is a deficient number, since it is larger than the sum of its proper divisors (1).

55651001543 is an equidigital number, since it uses as much as digits as its factorization.

55651001543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 55651001543 in words is "fifty-five billion, six hundred fifty-one million, one thousand, five hundred forty-three".