47138994554 has 8 divisors (see below), whose sum is σ = 71099147028. Its totient is φ = 23439278880.

The previous prime is 47138994521. The next prime is 47138994589. The reversal of 47138994554 is 45549983174.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36489786529 + 10649208025 = 191023^2 + 103195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47138994493 and 47138994502.

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, 65108747 + ... + 65109470.

Almost surely, 2^47138994554 is an apocalyptic number.

47138994554 is a deficient number, since it is larger than the sum of its proper divisors (23960152474).

47138994554 is a wasteful number, since it uses less digits than its factorization.

47138994554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130218400.

The product of its digits is 21772800, while the sum is 59.

The spelling of 47138994554 in words is "forty-seven billion, one hundred thirty-eight million, nine hundred ninety-four thousand, five hundred fifty-four".