53504640000 has 660 divisors, whose sum is σ = 220800621184. Its totient is φ = 12220416000.

The previous prime is 53504639941. The next prime is 53504640037. The reversal of 53504640000 is 4640535.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 40319337 + ... + 40320663.

Almost surely, 2^53504640000 is an apocalyptic number.

53504640000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53504640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110400310592).

53504640000 is an abundant number, since it is smaller than the sum of its proper divisors (167295981184).

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

53504640000 is a wasteful number, since it uses less digits than its factorization.

53504640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 53504640000 in words is "fifty-three billion, five hundred four million, six hundred forty thousand".