47555715664 has 80 divisors (see below), whose sum is σ = 97558755840. Its totient is φ = 22420224000.

The previous prime is 47555715589. The next prime is 47555715677. The reversal of 47555715664 is 46651755574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30116827 + ... + 30118405.

It is an arithmetic number, because the mean of its divisors is an integer number (1219484448).

Almost surely, 2^47555715664 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 47555715664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48779377920).

47555715664 is an abundant number, since it is smaller than the sum of its proper divisors (50003040176).

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

47555715664 is a wasteful number, since it uses less digits than its factorization.

47555715664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3134 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 55.

The spelling of 47555715664 in words is "forty-seven billion, five hundred fifty-five million, seven hundred fifteen thousand, six hundred sixty-four".