47138994552 has 64 divisors (see below), whose sum is σ = 128221138080. Its totient is φ = 14354767872.

The previous prime is 47138994521. The next prime is 47138994589. The reversal of 47138994552 is 25549983174.

It is a junction number, because it is equal to n+sod(n) for n = 47138994492 and 47138994501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748533 + ... + 809060.

Almost surely, 2^47138994552 is an apocalyptic number.

It is an amenable number.

47138994552 is an abundant number, since it is smaller than the sum of its proper divisors (81082143528).

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

47138994552 is a wasteful number, since it uses less digits than its factorization.

47138994552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557712 (or 1557708 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 47138994552 in words is "forty-seven billion, one hundred thirty-eight million, nine hundred ninety-four thousand, five hundred fifty-two".