5621695852500 has 1800 divisors, whose sum is σ = 23490632191488. Its totient is φ = 1146337920000.

The previous prime is 5621695852459. The next prime is 5621695852519. The reversal of 5621695852500 is 52585961265.

It is a happy number.

5621695852500 is a `hidden beast` number, since 5 + 6 + 2 + 1 + 6 + 9 + 585 + 2 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 599 ways as a sum of consecutive naturals, for example, 7426282122 + ... + 7426282878.

Almost surely, 2^{5621695852500} is an apocalyptic number.

5621695852500 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 5621695852500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11745316095744).

5621695852500 is an abundant number, since it is smaller than the sum of its proper divisors (17868936338988).

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

5621695852500 is a wasteful number, since it uses less digits than its factorization.

5621695852500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 5621695852500 in words is "five trillion, six hundred twenty-one billion, six hundred ninety-five million, eight hundred fifty-two thousand, five hundred".