56066413 has 8 divisors (see below), whose sum is σ = 60978456. Its totient is φ = 51240000.

The previous prime is 56066411. The next prime is 56066431. The reversal of 56066413 is 31466065.

It can be written as a sum of positive squares in 4 ways, for example, as 26440164 + 29626249 = 5142^2 + 5443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56066413 - 2¹ = 56066411 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 (56066411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20038 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (7622307).

Almost surely, 2^56066413 is an apocalyptic number.

It is an amenable number.

56066413 is a deficient number, since it is larger than the sum of its proper divisors (4912043).

56066413 is a wasteful number, since it uses less digits than its factorization.

56066413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42815.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 56066413 is about 7487.7508639110. The cubic root of 56066413 is about 382.7374190657.

The spelling of 56066413 in words is "fifty-six million, sixty-six thousand, four hundred thirteen".