53784051599 has 2 divisors, whose sum is σ = 53784051600. Its totient is φ = 53784051598.

The previous prime is 53784051593. The next prime is 53784051637. The reversal of 53784051599 is 99515048735.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53784051599 - 2¹² = 53784047503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53784051593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26892025799 + 26892025800.

It is an arithmetic number, because the mean of its divisors is an integer number (26892025800).

Almost surely, 2^53784051599 is an apocalyptic number.

53784051599 is a deficient number, since it is larger than the sum of its proper divisors (1).

53784051599 is an equidigital number, since it uses as much as digits as its factorization.

53784051599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 53784051599 in words is "fifty-three billion, seven hundred eighty-four million, fifty-one thousand, five hundred ninety-nine".