56077221230761 has 4 divisors (see below), whose sum is σ = 56996519939524. Its totient is φ = 55157922522000.

The previous prime is 56077221230729. The next prime is 56077221230827. The reversal of 56077221230761 is 16703212277065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2322941774400 + 53754279456361 = 1524120^2 + 7331731^2 .

It is a cyclic number.

It is not a de Polignac number, because 56077221230761 - 2⁵ = 56077221230729 is a prime.

It is a super-2 number, since 2×56077221230761² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56077221630761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459649354290 + ... + 459649354411.

It is an arithmetic number, because the mean of its divisors is an integer number (14249129984881).

Almost surely, 2^{56077221230761} is an apocalyptic number.

It is an amenable number.

56077221230761 is a deficient number, since it is larger than the sum of its proper divisors (919298708763).

56077221230761 is an equidigital number, since it uses as much as digits as its factorization.

56077221230761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919298708762.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 56077221230761 in words is "fifty-six trillion, seventy-seven billion, two hundred twenty-one million, two hundred thirty thousand, seven hundred sixty-one".