55976822761 has 4 divisors (see below), whose sum is σ = 56052162432. Its totient is φ = 55901483092.

The previous prime is 55976822753. The next prime is 55976822771. The reversal of 55976822761 is 16722867955.

55976822761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55976822761 - 2³ = 55976822753 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55976822696 and 55976822705.

It is not an unprimeable number, because it can be changed into a prime (55976822771) 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, 37668721 + ... + 37670206.

It is an arithmetic number, because the mean of its divisors is an integer number (14013040608).

Almost surely, 2^55976822761 is an apocalyptic number.

It is an amenable number.

55976822761 is a deficient number, since it is larger than the sum of its proper divisors (75339671).

55976822761 is an equidigital number, since it uses as much as digits as its factorization.

55976822761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75339670.

The product of its digits is 12700800, while the sum is 58.

The spelling of 55976822761 in words is "fifty-five billion, nine hundred seventy-six million, eight hundred twenty-two thousand, seven hundred sixty-one".