53078783989 has 32 divisors (see below), whose sum is σ = 66882816000. Its totient is φ = 40919567040.

The previous prime is 53078783981. The next prime is 53078784001. The reversal of 53078783989 is 98938787035.

It is not a de Polignac number, because 53078783989 - 2³ = 53078783981 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53078783981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6097362 + ... + 6106060.

It is an arithmetic number, because the mean of its divisors is an integer number (2090088000).

Almost surely, 2^53078783989 is an apocalyptic number.

It is an amenable number.

53078783989 is a deficient number, since it is larger than the sum of its proper divisors (13804032011).

53078783989 is a wasteful number, since it uses less digits than its factorization.

53078783989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9553.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 53078783989 in words is "fifty-three billion, seventy-eight million, seven hundred eighty-three thousand, nine hundred eighty-nine".