56061638 has 8 divisors (see below), whose sum is σ = 84204120. Its totient is φ = 27993600.

The previous prime is 56061613. The next prime is 56061641. The reversal of 56061638 is 83616065.

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

It is a junction number, because it is equal to n+sod(n) for n = 56061598 and 56061607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16688 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (10525515).

Almost surely, 2^56061638 is an apocalyptic number.

56061638 is a deficient number, since it is larger than the sum of its proper divisors (28142482).

56061638 is a wasteful number, since it uses less digits than its factorization.

56061638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37222.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 56061638 is about 7487.4320030301. The cubic root of 56061638 is about 382.7265532433.

The spelling of 56061638 in words is "fifty-six million, sixty-one thousand, six hundred thirty-eight".