56022401 has 4 divisors (see below), whose sum is σ = 56315904. Its totient is φ = 55728900.

The previous prime is 56022389. The next prime is 56022409. The reversal of 56022401 is 10422065.

It is a happy number.

56022401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10422065 = 5 ⋅2084413.

It is a cyclic number.

It is not a de Polignac number, because 56022401 - 2¹⁰ = 56021377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56022409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146465 + ... + 146846.

It is an arithmetic number, because the mean of its divisors is an integer number (14078976).

Almost surely, 2^56022401 is an apocalyptic number.

It is an amenable number.

56022401 is a deficient number, since it is larger than the sum of its proper divisors (293503).

56022401 is a wasteful number, since it uses less digits than its factorization.

56022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293502.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 56022401 is about 7484.8113536682. The cubic root of 56022401 is about 382.6372435294.

Adding to 56022401 its reverse (10422065), we get a palindrome (66444466).

The spelling of 56022401 in words is "fifty-six million, twenty-two thousand, four hundred one".