56735557466551 has 2 divisors, whose sum is σ = 56735557466552. Its totient is φ = 56735557466550.

The previous prime is 56735557466531. The next prime is 56735557466561. The reversal of 56735557466551 is 15566475553765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56735557466551 - 2⁵ = 56735557466519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56735557466531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28367778733275 + 28367778733276.

It is an arithmetic number, because the mean of its divisors is an integer number (28367778733276).

Almost surely, 2^{56735557466551} is an apocalyptic number.

56735557466551 is a deficient number, since it is larger than the sum of its proper divisors (1).

56735557466551 is an equidigital number, since it uses as much as digits as its factorization.

56735557466551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1984500000, while the sum is 70.

The spelling of 56735557466551 in words is "fifty-six trillion, seven hundred thirty-five billion, five hundred fifty-seven million, four hundred sixty-six thousand, five hundred fifty-one".