53796441637 has 2 divisors, whose sum is σ = 53796441638. Its totient is φ = 53796441636.

The previous prime is 53796441613. The next prime is 53796441641. The reversal of 53796441637 is 73614469735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36958524516 + 16837917121 = 192246^2 + 129761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53796441637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53796441037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26898220818 + 26898220819.

It is an arithmetic number, because the mean of its divisors is an integer number (26898220819).

Almost surely, 2^53796441637 is an apocalyptic number.

It is an amenable number.

53796441637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53796441637 is an equidigital number, since it uses as much as digits as its factorization.

53796441637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 55.

The spelling of 53796441637 in words is "fifty-three billion, seven hundred ninety-six million, four hundred forty-one thousand, six hundred thirty-seven".