53275728787 has 2 divisors, whose sum is σ = 53275728788. Its totient is φ = 53275728786.

The previous prime is 53275728739. The next prime is 53275728809. The reversal of 53275728787 is 78782757235.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53275728787 - 2⁷ = 53275728659 is a prime.

It is not a weakly prime, because it can be changed into another prime (53275728887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637864393 + 26637864394.

It is an arithmetic number, because the mean of its divisors is an integer number (26637864394).

Almost surely, 2^53275728787 is an apocalyptic number.

53275728787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53275728787 is an equidigital number, since it uses as much as digits as its factorization.

53275728787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46099200, while the sum is 61.

The spelling of 53275728787 in words is "fifty-three billion, two hundred seventy-five million, seven hundred twenty-eight thousand, seven hundred eighty-seven".