53656243200 has 1584 divisors, whose sum is σ = 247086328320. Its totient is φ = 10829168640.

The previous prime is 53656243177. The next prime is 53656243241. The reversal of 53656243200 is 234265635.

53656243200 is a `hidden beast` number, since 5 + 3 + 6 + 5 + 624 + 3 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 520934349 + ... + 520934451.

Almost surely, 2^53656243200 is an apocalyptic number.

53656243200 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 53656243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123543164160).

53656243200 is an abundant number, since it is smaller than the sum of its proper divisors (193430085120).

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

53656243200 is a wasteful number, since it uses less digits than its factorization.

53656243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 53656243200 in words is "fifty-three billion, six hundred fifty-six million, two hundred forty-three thousand, two hundred".