52474195656 has 288 divisors, whose sum is σ = 153047232000. Its totient is φ = 16856066304.

The previous prime is 52474195621. The next prime is 52474195663. The reversal of 52474195656 is 65659147425.

52474195656 is a `hidden beast` number, since 5 + 2 + 4 + 74 + 1 + 9 + 565 + 6 = 666.

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

Its product of digits (9072000) is a multiple of the sum of its prime factors (405).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 219557185 + ... + 219557423.

It is an arithmetic number, because the mean of its divisors is an integer number (531414000).

Almost surely, 2^52474195656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52474195656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76523616000).

52474195656 is an abundant number, since it is smaller than the sum of its proper divisors (100573036344).

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

52474195656 is an equidigital number, since it uses as much as digits as its factorization.

52474195656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 380 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 52474195656 in words is "fifty-two billion, four hundred seventy-four million, one hundred ninety-five thousand, six hundred fifty-six".