56208401 has 2 divisors, whose sum is σ = 56208402. Its totient is φ = 56208400.

The previous prime is 56208337. The next prime is 56208407. The reversal of 56208401 is 10480265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32433025 + 23775376 = 5695^2 + 4876^2 .

It is a cyclic number.

It is not a de Polignac number, because 56208401 - 2⁶ = 56208337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56208407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28104200 + 28104201.

It is an arithmetic number, because the mean of its divisors is an integer number (28104201).

Almost surely, 2^56208401 is an apocalyptic number.

It is an amenable number.

56208401 is a deficient number, since it is larger than the sum of its proper divisors (1).

56208401 is an equidigital number, since it uses as much as digits as its factorization.

56208401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 56208401 is about 7497.2262204098. The cubic root of 56208401 is about 383.0602404410.

Adding to 56208401 its reverse (10480265), we get a palindrome (66688666).

The spelling of 56208401 in words is "fifty-six million, two hundred eight thousand, four hundred one".