47555705650 has 24 divisors (see below), whose sum is σ = 93656767860. Its totient is φ = 17903324160.

The previous prime is 47555705627. The next prime is 47555705657. The reversal of 47555705650 is 5650755574.

It can be written as a sum of positive squares in 6 ways, for example, as 29439353241 + 18116352409 = 171579^2 + 134597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47555705594 and 47555705603.

It is not an unprimeable number, because it can be changed into a prime (47555705657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27973095 + ... + 27974794.

Almost surely, 2^47555705650 is an apocalyptic number.

47555705650 is a deficient number, since it is larger than the sum of its proper divisors (46101062210).

47555705650 is a wasteful number, since it uses less digits than its factorization.

47555705650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55947918 (or 55947913 counting only the distinct ones).

The product of its (nonzero) digits is 3675000, while the sum is 49.

The spelling of 47555705650 in words is "forty-seven billion, five hundred fifty-five million, seven hundred five thousand, six hundred fifty".