56628049 has 4 divisors (see below), whose sum is σ = 56678400. Its totient is φ = 56577700.

The previous prime is 56628043. The next prime is 56628053. The reversal of 56628049 is 94082665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94082665 = 5 ⋅18816533.

It is a cyclic number.

It is not a de Polignac number, because 56628049 - 2⁹ = 56627537 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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56628043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23449 + ... + 25750.

It is an arithmetic number, because the mean of its divisors is an integer number (14169600).

Almost surely, 2^56628049 is an apocalyptic number.

It is an amenable number.

56628049 is a deficient number, since it is larger than the sum of its proper divisors (50351).

56628049 is a wasteful number, since it uses less digits than its factorization.

56628049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50350.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 56628049 is about 7525.1610613993. The cubic root of 56628049 is about 384.0111781504.

The spelling of 56628049 in words is "fifty-six million, six hundred twenty-eight thousand, forty-nine".