53439990960 has 160 divisors (see below), whose sum is σ = 180150201792. Its totient is φ = 13049856000.

The previous prime is 53439990949. The next prime is 53439990971. The reversal of 53439990960 is 6909993435.

It is an interprime number because it is at equal distance from previous prime (53439990949) and next prime (53439990971).

It is a self number, because there is not a number n which added to its sum of digits gives 53439990960.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26041 + ... + 327960.

Almost surely, 2^53439990960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53439990960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90075100896).

53439990960 is an abundant number, since it is smaller than the sum of its proper divisors (126710210832).

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

53439990960 is a wasteful number, since it uses less digits than its factorization.

53439990960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354071 (or 354065 counting only the distinct ones).

The product of its (nonzero) digits is 7085880, while the sum is 57.

The spelling of 53439990960 in words is "fifty-three billion, four hundred thirty-nine million, nine hundred ninety thousand, nine hundred sixty".