51655411543 has 2 divisors, whose sum is σ = 51655411544. Its totient is φ = 51655411542.

The previous prime is 51655411537. The next prime is 51655411553. The reversal of 51655411543 is 34511455615.

51655411543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51655411543 - 2¹⁷ = 51655280471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51655411496 and 51655411505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51655411553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827705771 + 25827705772.

It is an arithmetic number, because the mean of its divisors is an integer number (25827705772).

Almost surely, 2^51655411543 is an apocalyptic number.

51655411543 is a deficient number, since it is larger than the sum of its proper divisors (1).

51655411543 is an equidigital number, since it uses as much as digits as its factorization.

51655411543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180000, while the sum is 40.

The spelling of 51655411543 in words is "fifty-one billion, six hundred fifty-five million, four hundred eleven thousand, five hundred forty-three".