56577145 has 8 divisors (see below), whose sum is σ = 68906304. Its totient is φ = 44585904.

The previous prime is 56577097. The next prime is 56577223. The reversal of 56577145 is 54177565.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56577145 - 2⁹ = 56576633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56577098 and 56577107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84109 + ... + 84778.

It is an arithmetic number, because the mean of its divisors is an integer number (8613288).

Almost surely, 2^56577145 is an apocalyptic number.

It is an amenable number.

56577145 is a deficient number, since it is larger than the sum of its proper divisors (12329159).

56577145 is a wasteful number, since it uses less digits than its factorization.

56577145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168959.

The product of its digits is 147000, while the sum is 40.

The square root of 56577145 is about 7521.7780477757. The cubic root of 56577145 is about 383.8960787398.

The spelling of 56577145 in words is "fifty-six million, five hundred seventy-seven thousand, one hundred forty-five".