53497357200 has 900 divisors, whose sum is σ = 230761039872. Its totient is φ = 11822630400.

The previous prime is 53497357187. The next prime is 53497357213. The reversal of 53497357200 is 275379435.

53497357200 is a `hidden beast` number, since 5 + 3 + 4 + 9 + 73 + 572 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53497357187) and next prime (53497357213).

It is a tau number, because it is divible by the number of its divisors (900).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 49215057 + ... + 49216143.

Almost surely, 2^53497357200 is an apocalyptic number.

53497357200 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 53497357200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115380519936).

53497357200 is an abundant number, since it is smaller than the sum of its proper divisors (177263682672).

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

53497357200 is a wasteful number, since it uses less digits than its factorization.

53497357200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 53497357200 in words is "fifty-three billion, four hundred ninety-seven million, three hundred fifty-seven thousand, two hundred".