56067839 has 4 divisors (see below), whose sum is σ = 57583224. Its totient is φ = 54552456.

The previous prime is 56067821. The next prime is 56067857. The reversal of 56067839 is 93876065.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56067821) and next prime (56067857).

It is a cyclic number.

It is not a de Polignac number, because 56067839 - 2¹² = 56063743 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 56067839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56067889) 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, 757637 + ... + 757710.

It is an arithmetic number, because the mean of its divisors is an integer number (14395806).

Almost surely, 2^56067839 is an apocalyptic number.

56067839 is a deficient number, since it is larger than the sum of its proper divisors (1515385).

56067839 is a wasteful number, since it uses less digits than its factorization.

56067839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515384.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 56067839 is about 7487.8460854908. The cubic root of 56067839 is about 382.7406639016.

The spelling of 56067839 in words is "fifty-six million, sixty-seven thousand, eight hundred thirty-nine".