56551615110701 has 2 divisors, whose sum is σ = 56551615110702. Its totient is φ = 56551615110700.

The previous prime is 56551615110589. The next prime is 56551615110721. The reversal of 56551615110701 is 10701151615565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54124360169476 + 2427254941225 = 7356926^2 + 1557965^2 .

It is a cyclic number.

It is not a de Polignac number, because 56551615110701 - 2²² = 56551610916397 is a prime.

It is a super-2 number, since 2×56551615110701² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56551615110721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28275807555350 + 28275807555351.

It is an arithmetic number, because the mean of its divisors is an integer number (28275807555351).

Almost surely, 2^{56551615110701} is an apocalyptic number.

It is an amenable number.

56551615110701 is a deficient number, since it is larger than the sum of its proper divisors (1).

56551615110701 is an equidigital number, since it uses as much as digits as its factorization.

56551615110701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 44.

The spelling of 56551615110701 in words is "fifty-six trillion, five hundred fifty-one billion, six hundred fifteen million, one hundred ten thousand, seven hundred one".