56741635477 has 2 divisors, whose sum is σ = 56741635478. Its totient is φ = 56741635476.

The previous prime is 56741635441. The next prime is 56741635499. The reversal of 56741635477 is 77453614765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51459107716 + 5282527761 = 226846^2 + 72681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56741635477 is a prime.

It is a super-2 number, since 2×56741635477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56741635877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28370817738 + 28370817739.

It is an arithmetic number, because the mean of its divisors is an integer number (28370817739).

Almost surely, 2^56741635477 is an apocalyptic number.

It is an amenable number.

56741635477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56741635477 is an equidigital number, since it uses as much as digits as its factorization.

56741635477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14817600, while the sum is 55.

The spelling of 56741635477 in words is "fifty-six billion, seven hundred forty-one million, six hundred thirty-five thousand, four hundred seventy-seven".