56578074 has 32 divisors (see below), whose sum is σ = 136930176. Its totient is φ = 15214080.

The previous prime is 56578051. The next prime is 56578099. The reversal of 56578074 is 47087565.

56578074 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-3 number, since 3×56578074³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 38907 + ... + 40334.

It is an arithmetic number, because the mean of its divisors is an integer number (4279068).

Almost surely, 2^56578074 is an apocalyptic number.

56578074 is an abundant number, since it is smaller than the sum of its proper divisors (80352102).

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

56578074 is a wasteful number, since it uses less digits than its factorization.

56578074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79270.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 56578074 is about 7521.8398015379. The cubic root of 56578074 is about 383.8981799269.

It can be divided in two parts, 5657 and 8074, that added together give a palindrome (13731).

The spelling of 56578074 in words is "fifty-six million, five hundred seventy-eight thousand, seventy-four".