55863630593 has 2 divisors, whose sum is σ = 55863630594. Its totient is φ = 55863630592.

The previous prime is 55863630503. The next prime is 55863630601. The reversal of 55863630593 is 39503636855.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55616732224 + 246898369 = 235832^2 + 15713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55863630593 is a prime.

It is not a weakly prime, because it can be changed into another prime (55863630503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27931815296 + 27931815297.

It is an arithmetic number, because the mean of its divisors is an integer number (27931815297).

Almost surely, 2^55863630593 is an apocalyptic number.

It is an amenable number.

55863630593 is a deficient number, since it is larger than the sum of its proper divisors (1).

55863630593 is an equidigital number, since it uses as much as digits as its factorization.

55863630593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748000, while the sum is 53.

The spelling of 55863630593 in words is "fifty-five billion, eight hundred sixty-three million, six hundred thirty thousand, five hundred ninety-three".