56128241 has 8 divisors (see below), whose sum is σ = 61012224. Its totient is φ = 51325200.

The previous prime is 56128231. The next prime is 56128243. The reversal of 56128241 is 14282165.

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 56128241 - 2¹⁴ = 56111857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56128243) 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, 18785 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (7626528).

Almost surely, 2^56128241 is an apocalyptic number.

It is an amenable number.

56128241 is a deficient number, since it is larger than the sum of its proper divisors (4883983).

56128241 is a wasteful number, since it uses less digits than its factorization.

56128241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40471.

The product of its digits is 3840, while the sum is 29.

The square root of 56128241 is about 7491.8783359048. The cubic root of 56128241 is about 382.8780570142.

The spelling of 56128241 in words is "fifty-six million, one hundred twenty-eight thousand, two hundred forty-one".