56290742 has 4 divisors (see below), whose sum is σ = 84436116. Its totient is φ = 28145370.

The previous prime is 56290733. The next prime is 56290747. The reversal of 56290742 is 24709265.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56290747) 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 as a sum of consecutive naturals, namely, 14072684 + ... + 14072687.

It is an arithmetic number, because the mean of its divisors is an integer number (21109029).

Almost surely, 2^56290742 is an apocalyptic number.

56290742 is a deficient number, since it is larger than the sum of its proper divisors (28145374).

56290742 is a wasteful number, since it uses less digits than its factorization.

56290742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28145373.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 56290742 is about 7502.7156416860. The cubic root of 56290742 is about 383.2472004756.

The spelling of 56290742 in words is "fifty-six million, two hundred ninety thousand, seven hundred forty-two".