52991769600 has 1584 divisors, whose sum is σ = 247086328320. Its totient is φ = 10528358400.

The previous prime is 52991769583. The next prime is 52991769617. The reversal of 52991769600 is 696719925.

52991769600 is a `hidden beast` number, since 5 + 29 + 9 + 1 + 7 + 6 + 9 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (52991769583) and next prime (52991769617).

It is a tau number, because it is divible by the number of its divisors (1584).

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, 514483149 + ... + 514483251.

Almost surely, 2^52991769600 is an apocalyptic number.

52991769600 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 52991769600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123543164160).

52991769600 is an abundant number, since it is smaller than the sum of its proper divisors (194094558720).

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

52991769600 is a wasteful number, since it uses less digits than its factorization.

52991769600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 52991769600 in words is "fifty-two billion, nine hundred ninety-one million, seven hundred sixty-nine thousand, six hundred".