47556221362784 has 96 divisors (see below), whose sum is σ = 96887612989440. Its totient is φ = 22953709900800.

The previous prime is 47556221362757. The next prime is 47556221362817. The reversal of 47556221362784 is 48726312265574.

It is a happy number.

It is a super-2 number, since 2×47556221362784² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1251098339 + ... + 1251136349.

It is an arithmetic number, because the mean of its divisors is an integer number (1009245968640).

Almost surely, 2^{47556221362784} 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 47556221362784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48443806494720).

47556221362784 is an abundant number, since it is smaller than the sum of its proper divisors (49331391626656).

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

47556221362784 is a wasteful number, since it uses less digits than its factorization.

47556221362784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41164 (or 41156 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 62.

The spelling of 47556221362784 in words is "forty-seven trillion, five hundred fifty-six billion, two hundred twenty-one million, three hundred sixty-two thousand, seven hundred eighty-four".