56774641 has 32 divisors (see below), whose sum is σ = 75294720. Its totient is φ = 41472000.

The previous prime is 56774639. The next prime is 56774647. The reversal of 56774641 is 14647765.

It is a 4-Lehmer number, since φ(56774641) divides (56774641-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 56774641 - 2¹ = 56774639 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56774594 and 56774603.

It is not an unprimeable number, because it can be changed into a prime (56774647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220785 + ... + 221041.

It is an arithmetic number, because the mean of its divisors is an integer number (2352960).

Almost surely, 2^56774641 is an apocalyptic number.

It is an amenable number.

56774641 is a deficient number, since it is larger than the sum of its proper divisors (18520079).

56774641 is a wasteful number, since it uses less digits than its factorization.

56774641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its digits is 141120, while the sum is 40.

The square root of 56774641 is about 7534.8948897778. The cubic root of 56774641 is about 384.3422535480.

The spelling of 56774641 in words is "fifty-six million, seven hundred seventy-four thousand, six hundred forty-one".