56740506 has 16 divisors (see below), whose sum is σ = 113673504. Its totient is φ = 18881424.

The previous prime is 56740459. The next prime is 56740511. The reversal of 56740506 is 60504765.

56740506 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 2×56740506² = 6438970042272072, which contains 22 as substring.

It is an unprimeable number.

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, 4036 + ... + 11391.

It is an arithmetic number, because the mean of its divisors is an integer number (7104594).

Almost surely, 2^56740506 is an apocalyptic number.

56740506 is an abundant number, since it is smaller than the sum of its proper divisors (56932998).

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

56740506 is a wasteful number, since it uses less digits than its factorization.

56740506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 56740506 is about 7532.6294213906. The cubic root of 56740506 is about 384.2652112113.

The spelling of 56740506 in words is "fifty-six million, seven hundred forty thousand, five hundred six".