47143970056 has 8 divisors (see below), whose sum is σ = 88394943870. Its totient is φ = 23571985024.

The previous prime is 47143970051. The next prime is 47143970059. The reversal of 47143970056 is 65007934174.

It can be written as a sum of positive squares in only one way, i.e., 47041272100 + 102697956 = 216890^2 + 10134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 47143969988 and 47143970015.

It is not an unprimeable number, because it can be changed into a prime (47143970051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2946498121 + ... + 2946498136.

Almost surely, 2^47143970056 is an apocalyptic number.

It is an amenable number.

47143970056 is a deficient number, since it is larger than the sum of its proper divisors (41250973814).

47143970056 is a wasteful number, since it uses less digits than its factorization.

47143970056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892996263 (or 5892996259 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 47143970056 in words is "forty-seven billion, one hundred forty-three million, nine hundred seventy thousand, fifty-six".