47554447632 has 20 divisors (see below), whose sum is σ = 122848989840. Its totient is φ = 15851482528.

The previous prime is 47554447627. The next prime is 47554447679. The reversal of 47554447632 is 23674445574.

It is a super-2 number, since 2×47554447632² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495358782 + ... + 495358877.

It is an arithmetic number, because the mean of its divisors is an integer number (6142449492).

Almost surely, 2^47554447632 is an apocalyptic number.

It is an amenable number.

47554447632 is an abundant number, since it is smaller than the sum of its proper divisors (75294542208).

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

47554447632 is a wasteful number, since it uses less digits than its factorization.

47554447632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990717670 (or 990717664 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 51.

The spelling of 47554447632 in words is "forty-seven billion, five hundred fifty-four million, four hundred forty-seven thousand, six hundred thirty-two".