56901197 has 2 divisors, whose sum is σ = 56901198. Its totient is φ = 56901196.

The previous prime is 56901191. The next prime is 56901259. The reversal of 56901197 is 79110965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50495236 + 6405961 = 7106^2 + 2531^2 .

It is a cyclic number.

It is not a de Polignac number, because 56901197 - 2¹⁴ = 56884813 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56901197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56901191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28450598 + 28450599.

It is an arithmetic number, because the mean of its divisors is an integer number (28450599).

Almost surely, 2^56901197 is an apocalyptic number.

It is an amenable number.

56901197 is a deficient number, since it is larger than the sum of its proper divisors (1).

56901197 is an equidigital number, since it uses as much as digits as its factorization.

56901197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 56901197 is about 7543.2882087323. The cubic root of 56901197 is about 384.6276199277.

The spelling of 56901197 in words is "fifty-six million, nine hundred one thousand, one hundred ninety-seven".