56278933 has 4 divisors (see below), whose sum is σ = 56462560. Its totient is φ = 56095308.

The previous prime is 56278927. The next prime is 56278949. The reversal of 56278933 is 33987265.

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.

It is a cyclic number.

It is not a de Polignac number, because 56278933 - 2¹³ = 56270741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56278933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56278903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91353 + ... + 91966.

It is an arithmetic number, because the mean of its divisors is an integer number (14115640).

Almost surely, 2^56278933 is an apocalyptic number.

It is an amenable number.

56278933 is a deficient number, since it is larger than the sum of its proper divisors (183627).

56278933 is a wasteful number, since it uses less digits than its factorization.

56278933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183626.

The product of its digits is 272160, while the sum is 43.

The square root of 56278933 is about 7501.9286186953. The cubic root of 56278933 is about 383.2203986574.

The spelling of 56278933 in words is "fifty-six million, two hundred seventy-eight thousand, nine hundred thirty-three".