56178006361 has 3 divisors (see below), whose sum is σ = 56178243381. Its totient is φ = 56177769342.

The previous prime is 56178006347. The next prime is 56178006371. The reversal of 56178006361 is 16360087165.

The square root of 56178006361 is 237019.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 56178006361 - 2⁷ = 56178006233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56178006301) 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 2 ways as a sum of consecutive naturals, for example, 118510 + ... + 355528.

It is an arithmetic number, because the mean of its divisors is an integer number (18726081127).

Almost surely, 2^56178006361 is an apocalyptic number.

56178006361 is the 237019-th square number.

56178006361 is the 118510-th centered octagonal number.

It is an amenable number.

56178006361 is a deficient number, since it is larger than the sum of its proper divisors (237020).

56178006361 is an frugal number, since it uses more digits than its factorization.

56178006361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474038 (or 237019 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 56178006361 in words is "fifty-six billion, one hundred seventy-eight million, six thousand, three hundred sixty-one".