56274839 has 4 divisors (see below), whose sum is σ = 57472224. Its totient is φ = 55077456.

The previous prime is 56274797. The next prime is 56274851. The reversal of 56274839 is 93847265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93847265 = 5 ⋅18769453.

It is a cyclic number.

It is not a de Polignac number, because 56274839 - 2¹⁶ = 56209303 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 56274839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56274739) 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, 598622 + ... + 598715.

It is an arithmetic number, because the mean of its divisors is an integer number (14368056).

Almost surely, 2^56274839 is an apocalyptic number.

56274839 is a deficient number, since it is larger than the sum of its proper divisors (1197385).

56274839 is a wasteful number, since it uses less digits than its factorization.

56274839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197384.

The product of its digits is 362880, while the sum is 44.

The square root of 56274839 is about 7501.6557505660. The cubic root of 56274839 is about 383.2111060010.

The spelling of 56274839 in words is "fifty-six million, two hundred seventy-four thousand, eight hundred thirty-nine".