53656536000 has 448 divisors, whose sum is σ = 187456389120. Its totient is φ = 13501440000.

The previous prime is 53656535983. The next prime is 53656536053. The reversal of 53656536000 is 63565635.

53656536000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53656536000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30503121 + ... + 30504879.

It is an arithmetic number, because the mean of its divisors is an integer number (418429440).

Almost surely, 2^53656536000 is an apocalyptic number.

53656536000 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 53656536000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93728194560).

53656536000 is an abundant number, since it is smaller than the sum of its proper divisors (133799853120).

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

53656536000 is a wasteful number, since it uses less digits than its factorization.

53656536000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 53656536000 in words is "fifty-three billion, six hundred fifty-six million, five hundred thirty-six thousand".