56727434 has 4 divisors (see below), whose sum is σ = 85091154. Its totient is φ = 28363716.

The previous prime is 56727431. The next prime is 56727439. The reversal of 56727434 is 43472765.

56727434 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.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 16443025 = 6347^2 + 4055^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56727431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14181857 + ... + 14181860.

Almost surely, 2^56727434 is an apocalyptic number.

56727434 is a deficient number, since it is larger than the sum of its proper divisors (28363720).

56727434 is a wasteful number, since it uses less digits than its factorization.

56727434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363719.

The product of its digits is 141120, while the sum is 38.

The square root of 56727434 is about 7531.7616797135. The cubic root of 56727434 is about 384.2356996625.

The spelling of 56727434 in words is "fifty-six million, seven hundred twenty-seven thousand, four hundred thirty-four".