56578002 has 16 divisors (see below), whose sum is σ = 121860480. Its totient is φ = 17408592.

The previous prime is 56578001. The next prime is 56578009. The reversal of 56578002 is 20087565.

It is a happy number.

It is a super-3 number, since 3×56578002³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56578001) 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 in 7 ways as a sum of consecutive naturals, for example, 362602 + ... + 362757.

It is an arithmetic number, because the mean of its divisors is an integer number (7616280).

Almost surely, 2^56578002 is an apocalyptic number.

56578002 is an abundant number, since it is smaller than the sum of its proper divisors (65282478).

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

56578002 is a wasteful number, since it uses less digits than its factorization.

56578002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725377.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 56578002 is about 7521.8350154733. The cubic root of 56578002 is about 383.8980170800.

The spelling of 56578002 in words is "fifty-six million, five hundred seventy-eight thousand, two".