56048021 has 8 divisors (see below), whose sum is σ = 56838144. Its totient is φ = 55263600.

The previous prime is 56048011. The next prime is 56048023. The reversal of 56048021 is 12084065.

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 56048021 - 2¹⁴ = 56031637 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 (56048023) 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, 20696 + ... + 23246.

It is an arithmetic number, because the mean of its divisors is an integer number (7104768).

Almost surely, 2^56048021 is an apocalyptic number.

It is an amenable number.

56048021 is a deficient number, since it is larger than the sum of its proper divisors (790123).

56048021 is a wasteful number, since it uses less digits than its factorization.

56048021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 56048021 is about 7486.5226240225. The cubic root of 56048021 is about 382.6955634871.

The spelling of 56048021 in words is "fifty-six million, forty-eight thousand, twenty-one".