56616450199 has 2 divisors, whose sum is σ = 56616450200. Its totient is φ = 56616450198.

The previous prime is 56616450179. The next prime is 56616450217. The reversal of 56616450199 is 99105461665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56616450199 - 2¹³ = 56616442007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56616450109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28308225099 + 28308225100.

It is an arithmetic number, because the mean of its divisors is an integer number (28308225100).

Almost surely, 2^56616450199 is an apocalyptic number.

56616450199 is a deficient number, since it is larger than the sum of its proper divisors (1).

56616450199 is an equidigital number, since it uses as much as digits as its factorization.

56616450199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 56616450199 in words is "fifty-six billion, six hundred sixteen million, four hundred fifty thousand, one hundred ninety-nine".