52491032100 has 576 divisors, whose sum is σ = 197542912000. Its totient is φ = 11841292800.

The previous prime is 52491032057. The next prime is 52491032171. The reversal of 52491032100 is 123019425.

52491032100 is a `hidden beast` number, since 524 + 9 + 1 + 0 + 32 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20672631 + ... + 20675169.

Almost surely, 2^52491032100 is an apocalyptic number.

52491032100 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 52491032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98771456000).

52491032100 is an abundant number, since it is smaller than the sum of its proper divisors (145051879900).

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

52491032100 is a wasteful number, since it uses less digits than its factorization.

52491032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 52491032100 in words is "fifty-two billion, four hundred ninety-one million, thirty-two thousand, one hundred".