47551647745 has 16 divisors (see below), whose sum is σ = 65223290880. Its totient is φ = 32602042944.

The previous prime is 47551647743. The next prime is 47551647763. The reversal of 47551647745 is 54774615574.

It is a cyclic number.

It is not a de Polignac number, because 47551647745 - 2¹ = 47551647743 is a prime.

It is a super-2 number, since 2×47551647745² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47551647743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149859 + ... + 342871.

It is an arithmetic number, because the mean of its divisors is an integer number (4076455680).

Almost surely, 2^47551647745 is an apocalyptic number.

It is an amenable number.

47551647745 is a deficient number, since it is larger than the sum of its proper divisors (17671643135).

47551647745 is a wasteful number, since it uses less digits than its factorization.

47551647745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200064.

The product of its digits is 16464000, while the sum is 55.

The spelling of 47551647745 in words is "forty-seven billion, five hundred fifty-one million, six hundred forty-seven thousand, seven hundred forty-five".