56224001 has 2 divisors, whose sum is σ = 56224002. Its totient is φ = 56224000.

The previous prime is 56223989. The next prime is 56224031. The reversal of 56224001 is 10042265.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 3806401 = 7240^2 + 1951^2 .

It is a cyclic number.

It is not a de Polignac number, because 56224001 - 2¹⁴ = 56207617 is a prime.

It is a super-2 number, since 2×56224001² = 6322276576896002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56224031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112000 + 28112001.

It is an arithmetic number, because the mean of its divisors is an integer number (28112001).

Almost surely, 2^56224001 is an apocalyptic number.

It is an amenable number.

56224001 is a deficient number, since it is larger than the sum of its proper divisors (1).

56224001 is an equidigital number, since it uses as much as digits as its factorization.

56224001 is an evil number, because the sum of its binary digits is even.

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

The square root of 56224001 is about 7498.2665330061. The cubic root of 56224001 is about 383.0956751619.

Adding to 56224001 its reverse (10042265), we get a palindrome (66266266).

The spelling of 56224001 in words is "fifty-six million, two hundred twenty-four thousand, one".