56774533 has 4 divisors (see below), whose sum is σ = 56929600. Its totient is φ = 56619468.

The previous prime is 56774507. The next prime is 56774537. The reversal of 56774533 is 33547765.

56774533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 33547765 = 5 ⋅6709553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56774533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56774537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76983 + ... + 77716.

It is an arithmetic number, because the mean of its divisors is an integer number (14232400).

Almost surely, 2^56774533 is an apocalyptic number.

It is an amenable number.

56774533 is a deficient number, since it is larger than the sum of its proper divisors (155067).

56774533 is a wasteful number, since it uses less digits than its factorization.

56774533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155066.

The product of its digits is 264600, while the sum is 40.

The square root of 56774533 is about 7534.8877231184. The cubic root of 56774533 is about 384.3420098418.

The spelling of 56774533 in words is "fifty-six million, seven hundred seventy-four thousand, five hundred thirty-three".