56451401 has 2 divisors, whose sum is σ = 56451402. Its totient is φ = 56451400.

The previous prime is 56451379. The next prime is 56451433. The reversal of 56451401 is 10415465.

56451401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 24245776 = 5675^2 + 4924^2 .

It is a cyclic number.

It is not a de Polignac number, because 56451401 - 2¹⁴ = 56435017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56451491) 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 as a sum of consecutive naturals, namely, 28225700 + 28225701.

It is an arithmetic number, because the mean of its divisors is an integer number (28225701).

Almost surely, 2^56451401 is an apocalyptic number.

It is an amenable number.

56451401 is a deficient number, since it is larger than the sum of its proper divisors (1).

56451401 is an equidigital number, since it uses as much as digits as its factorization.

56451401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 56451401 is about 7513.4147363233. The cubic root of 56451401 is about 383.6114618384.

Adding to 56451401 its reverse (10415465), we get a palindrome (66866866).

The spelling of 56451401 in words is "fifty-six million, four hundred fifty-one thousand, four hundred one".