53032451987 has 2 divisors, whose sum is σ = 53032451988. Its totient is φ = 53032451986.

The previous prime is 53032451933. The next prime is 53032451993. The reversal of 53032451987 is 78915423035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53032451987 is a prime.

It is not a weakly prime, because it can be changed into another prime (53032451587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26516225993 + 26516225994.

It is an arithmetic number, because the mean of its divisors is an integer number (26516225994).

Almost surely, 2^53032451987 is an apocalyptic number.

53032451987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53032451987 is an equidigital number, since it uses as much as digits as its factorization.

53032451987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 53032451987 in words is "fifty-three billion, thirty-two million, four hundred fifty-one thousand, nine hundred eighty-seven".