56210401 has 4 divisors (see below), whose sum is σ = 60534292. Its totient is φ = 51886512.

The previous prime is 56210389. The next prime is 56210419. The reversal of 56210401 is 10401265.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 29160000 = 5201^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 56210401 - 2¹⁵ = 56177633 is a prime.

It is a super-3 number, since 3×56210401³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56210431) 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, 2161926 + ... + 2161951.

It is an arithmetic number, because the mean of its divisors is an integer number (15133573).

Almost surely, 2^56210401 is an apocalyptic number.

It is an amenable number.

56210401 is a deficient number, since it is larger than the sum of its proper divisors (4323891).

56210401 is a wasteful number, since it uses less digits than its factorization.

56210401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323890.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 56210401 is about 7497.3596018865. The cubic root of 56210401 is about 383.0647837203.

Adding to 56210401 its reverse (10401265), we get a palindrome (66611666).

The spelling of 56210401 in words is "fifty-six million, two hundred ten thousand, four hundred one".