56342738 has 4 divisors (see below), whose sum is σ = 84514110. Its totient is φ = 28171368.

The previous prime is 56342731. The next prime is 56342761. The reversal of 56342738 is 83724365.

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., 34374769 + 21967969 = 5863^2 + 4687^2 .

It is not an unprimeable number, because it can be changed into a prime (56342731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14085683 + ... + 14085686.

Almost surely, 2^56342738 is an apocalyptic number.

56342738 is a deficient number, since it is larger than the sum of its proper divisors (28171372).

56342738 is a wasteful number, since it uses less digits than its factorization.

56342738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28171371.

The product of its digits is 120960, while the sum is 38.

The square root of 56342738 is about 7506.1799871839. The cubic root of 56342738 is about 383.3651665225.

The spelling of 56342738 in words is "fifty-six million, three hundred forty-two thousand, seven hundred thirty-eight".