53788332487 has 2 divisors, whose sum is σ = 53788332488. Its totient is φ = 53788332486.

The previous prime is 53788332449. The next prime is 53788332491. The reversal of 53788332487 is 78423388735.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53788332487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53788432487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26894166243 + 26894166244.

It is an arithmetic number, because the mean of its divisors is an integer number (26894166244).

Almost surely, 2^53788332487 is an apocalyptic number.

53788332487 is a deficient number, since it is larger than the sum of its proper divisors (1).

53788332487 is an equidigital number, since it uses as much as digits as its factorization.

53788332487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The spelling of 53788332487 in words is "fifty-three billion, seven hundred eighty-eight million, three hundred thirty-two thousand, four hundred eighty-seven".