53256156603401 has 2 divisors, whose sum is σ = 53256156603402. Its totient is φ = 53256156603400.

The previous prime is 53256156603337. The next prime is 53256156603413. The reversal of 53256156603401 is 10430665165235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53133180141001 + 122976462400 = 7289251^2 + 350680^2 .

It is a cyclic number.

It is not a de Polignac number, because 53256156603401 - 2⁶ = 53256156603337 is a prime.

It is not a weakly prime, because it can be changed into another prime (53256156603431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26628078301700 + 26628078301701.

It is an arithmetic number, because the mean of its divisors is an integer number (26628078301701).

Almost surely, 2^{53256156603401} is an apocalyptic number.

It is an amenable number.

53256156603401 is a deficient number, since it is larger than the sum of its proper divisors (1).

53256156603401 is an equidigital number, since it uses as much as digits as its factorization.

53256156603401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 53256156603401 in words is "fifty-three trillion, two hundred fifty-six billion, one hundred fifty-six million, six hundred three thousand, four hundred one".