47642307556 has 6 divisors (see below), whose sum is σ = 83374038230. Its totient is φ = 23821153776.

The previous prime is 47642307551. The next prime is 47642307569. The reversal of 47642307556 is 65570324674.

It can be written as a sum of positive squares in only one way, i.e., 31607150656 + 16035156900 = 177784^2 + 126630^2 .

It is not an unprimeable number, because it can be changed into a prime (47642307551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5955288441 + ... + 5955288448.

Almost surely, 2^47642307556 is an apocalyptic number.

It is an amenable number.

47642307556 is a deficient number, since it is larger than the sum of its proper divisors (35731730674).

47642307556 is a wasteful number, since it uses less digits than its factorization.

47642307556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910576893 (or 11910576891 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 47642307556 in words is "forty-seven billion, six hundred forty-two million, three hundred seven thousand, five hundred fifty-six".