56156230253 has 2 divisors, whose sum is σ = 56156230254. Its totient is φ = 56156230252.

The previous prime is 56156230243. The next prime is 56156230259. The reversal of 56156230253 is 35203265165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56073292804 + 82937449 = 236798^2 + 9107^2 .

It is a cyclic number.

It is not a de Polignac number, because 56156230253 - 2¹⁸ = 56155968109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56156230259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28078115126 + 28078115127.

It is an arithmetic number, because the mean of its divisors is an integer number (28078115127).

Almost surely, 2^56156230253 is an apocalyptic number.

It is an amenable number.

56156230253 is a deficient number, since it is larger than the sum of its proper divisors (1).

56156230253 is an equidigital number, since it uses as much as digits as its factorization.

56156230253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 56156230253 in words is "fifty-six billion, one hundred fifty-six million, two hundred thirty thousand, two hundred fifty-three".