56549401 has 2 divisors, whose sum is σ = 56549402. Its totient is φ = 56549400.

The previous prime is 56549371. The next prime is 56549419. The reversal of 56549401 is 10494565.

56549401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 524176 = 7485^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 56549401 - 2¹³ = 56541209 is a prime.

It is equal to p_3369094 and since 56549401 and 3369094 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56549461) 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, 28274700 + 28274701.

It is an arithmetic number, because the mean of its divisors is an integer number (28274701).

Almost surely, 2^56549401 is an apocalyptic number.

It is an amenable number.

56549401 is a deficient number, since it is larger than the sum of its proper divisors (1).

56549401 is an equidigital number, since it uses as much as digits as its factorization.

56549401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 56549401 is about 7519.9335768343. The cubic root of 56549401 is about 383.8333175061.

The spelling of 56549401 in words is "fifty-six million, five hundred forty-nine thousand, four hundred one".