56687327434 has 4 divisors (see below), whose sum is σ = 85030991154. Its totient is φ = 28343663716.

The previous prime is 56687327401. The next prime is 56687327479. The reversal of 56687327434 is 43472378665.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 54781743025 + 1905584409 = 234055^2 + 43653^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14171831857 + ... + 14171831860.

Almost surely, 2^56687327434 is an apocalyptic number.

56687327434 is a deficient number, since it is larger than the sum of its proper divisors (28343663720).

56687327434 is a wasteful number, since it uses less digits than its factorization.

56687327434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28343663719.

The product of its digits is 20321280, while the sum is 55.

The spelling of 56687327434 in words is "fifty-six billion, six hundred eighty-seven million, three hundred twenty-seven thousand, four hundred thirty-four".