56510742 has 16 divisors (see below), whose sum is σ = 113522112. Its totient is φ = 18753480.

The previous prime is 56510717. The next prime is 56510743. The reversal of 56510742 is 24701565.

56510742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56510742² = 6386927922781128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510743) 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 in 7 ways as a sum of consecutive naturals, for example, 19384 + ... + 22107.

It is an arithmetic number, because the mean of its divisors is an integer number (7095132).

Almost surely, 2^56510742 is an apocalyptic number.

56510742 is an abundant number, since it is smaller than the sum of its proper divisors (57011370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56510742 is a wasteful number, since it uses less digits than its factorization.

56510742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 56510742 is about 7517.3627024376. The cubic root of 56510742 is about 383.7458306090.

The spelling of 56510742 in words is "fifty-six million, five hundred ten thousand, seven hundred forty-two".