47811806552 has 32 divisors (see below), whose sum is σ = 90215694000. Its totient is φ = 23754443904.

The previous prime is 47811806503. The next prime is 47811806557. The reversal of 47811806552 is 25560811874.

It is a junction number, because it is equal to n+sod(n) for n = 47811806497 and 47811806506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47811806557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755199 + ... + 2772497.

Almost surely, 2^47811806552 is an apocalyptic number.

It is an amenable number.

47811806552 is a deficient number, since it is larger than the sum of its proper divisors (42403887448).

47811806552 is a wasteful number, since it uses less digits than its factorization.

47811806552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475 (or 19471 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 47811806552 in words is "forty-seven billion, eight hundred eleven million, eight hundred six thousand, five hundred fifty-two".