56019413 has 4 divisors (see below), whose sum is σ = 56035200. Its totient is φ = 56003628.

The previous prime is 56019409. The next prime is 56019419. The reversal of 56019413 is 31491065.

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: 31491065 = 5 ⋅6298213.

It is a cyclic number.

It is not a de Polignac number, because 56019413 - 2² = 56019409 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 (56019419) 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, 188 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (14008800).

Almost surely, 2^56019413 is an apocalyptic number.

It is an amenable number.

56019413 is a deficient number, since it is larger than the sum of its proper divisors (15787).

56019413 is a wasteful number, since it uses less digits than its factorization.

56019413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 56019413 is about 7484.6117467775. The cubic root of 56019413 is about 382.6304406529.

The spelling of 56019413 in words is "fifty-six million, nineteen thousand, four hundred thirteen".