47523661650 has 72 divisors (see below), whose sum is σ = 134400274320. Its totient is φ = 12005975520.

The previous prime is 47523661643. The next prime is 47523661651. The reversal of 47523661650 is 5616632574.

47523661650 is a `hidden beast` number, since 4 + 7 + 5 + 23 + 6 + 616 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 47523661596 and 47523661605.

It is not an unprimeable number, because it can be changed into a prime (47523661651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2770612 + ... + 2787711.

Almost surely, 2^47523661650 is an apocalyptic number.

47523661650 is an abundant number, since it is smaller than the sum of its proper divisors (86876612670).

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

47523661650 is a wasteful number, since it uses less digits than its factorization.

47523661650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558360 (or 5558352 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 47523661650 in words is "forty-seven billion, five hundred twenty-three million, six hundred sixty-one thousand, six hundred fifty".