56784442 has 32 divisors (see below), whose sum is σ = 100525824. Its totient is φ = 23716800.

The previous prime is 56784391. The next prime is 56784457. The reversal of 56784442 is 24448765.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56784395 and 56784404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104692 + ... + 105232.

It is an arithmetic number, because the mean of its divisors is an integer number (3141432).

Almost surely, 2^56784442 is an apocalyptic number.

56784442 is a deficient number, since it is larger than the sum of its proper divisors (43741382).

56784442 is a wasteful number, since it uses less digits than its factorization.

56784442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its digits is 215040, while the sum is 40.

The square root of 56784442 is about 7535.5452357477. The cubic root of 56784442 is about 384.3643685957.

The spelling of 56784442 in words is "fifty-six million, seven hundred eighty-four thousand, four hundred forty-two".