56022001 has 4 divisors (see below), whose sum is σ = 64025152. Its totient is φ = 48018852.

The previous prime is 56021963. The next prime is 56022017. The reversal of 56022001 is 10022065.

It is a happy number.

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.

It is not a de Polignac number, because 56022001 - 2⁹ = 56021489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56022041) 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, 4001565 + ... + 4001578.

It is an arithmetic number, because the mean of its divisors is an integer number (16006288).

Almost surely, 2^56022001 is an apocalyptic number.

It is an amenable number.

56022001 is a deficient number, since it is larger than the sum of its proper divisors (8003151).

56022001 is an equidigital number, since it uses as much as digits as its factorization.

56022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003150.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 56022001 is about 7484.7846328401. The cubic root of 56022001 is about 382.6363328504.

Adding to 56022001 its reverse (10022065), we get a palindrome (66044066).

The spelling of 56022001 in words is "fifty-six million, twenty-two thousand, one".