53078783988 has 48 divisors (see below), whose sum is σ = 124190962560. Its totient is φ = 17644362624.

The previous prime is 53078783981. The next prime is 53078784001. The reversal of 53078783988 is 88938787035.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 7018153 + ... + 7025711.

It is an arithmetic number, because the mean of its divisors is an integer number (2587311720).

Almost surely, 2^53078783988 is an apocalyptic number.

It is an amenable number.

53078783988 is an abundant number, since it is smaller than the sum of its proper divisors (71112178572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53078783988 is a wasteful number, since it uses less digits than its factorization.

53078783988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096 (or 9094 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 66.

The spelling of 53078783988 in words is "fifty-three billion, seventy-eight million, seven hundred eighty-three thousand, nine hundred eighty-eight".