56578345 has 8 divisors (see below), whose sum is σ = 69045120. Its totient is φ = 44495280.

The previous prime is 56578339. The next prime is 56578349. The reversal of 56578345 is 54387565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56578345 - 2³ = 56578337 is a prime.

It is a super-2 number, since 2×56578345² = 6402218245878050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56578349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95601 + ... + 96190.

It is an arithmetic number, because the mean of its divisors is an integer number (8630640).

Almost surely, 2^56578345 is an apocalyptic number.

It is an amenable number.

56578345 is a deficient number, since it is larger than the sum of its proper divisors (12466775).

56578345 is a wasteful number, since it uses less digits than its factorization.

56578345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191855.

The product of its digits is 504000, while the sum is 43.

The square root of 56578345 is about 7521.8578157261. The cubic root of 56578345 is about 383.8987928630.

The spelling of 56578345 in words is "fifty-six million, five hundred seventy-eight thousand, three hundred forty-five".