56726340377 has 16 divisors (see below), whose sum is σ = 66083807232. Its totient is φ = 47683147200.

The previous prime is 56726340373. The next prime is 56726340383. The reversal of 56726340377 is 77304362765.

It is a cyclic number.

It is not a de Polignac number, because 56726340377 - 2² = 56726340373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56726340373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795752 + ... + 864102.

It is an arithmetic number, because the mean of its divisors is an integer number (4130237952).

Almost surely, 2^56726340377 is an apocalyptic number.

It is an amenable number.

56726340377 is a deficient number, since it is larger than the sum of its proper divisors (9357466855).

56726340377 is a wasteful number, since it uses less digits than its factorization.

56726340377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70648.

The product of its (nonzero) digits is 4445280, while the sum is 50.

The spelling of 56726340377 in words is "fifty-six billion, seven hundred twenty-six million, three hundred forty thousand, three hundred seventy-seven".