47540447655 has 32 divisors (see below), whose sum is σ = 79430478336. Its totient is φ = 24234612864.

The previous prime is 47540447627. The next prime is 47540447719. The reversal of 47540447655 is 55674404574.

It is not a de Polignac number, because 47540447655 - 2¹⁷ = 47540316583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47540447598 and 47540447607.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 423504 + ... + 523866.

It is an arithmetic number, because the mean of its divisors is an integer number (2482202448).

Almost surely, 2^47540447655 is an apocalyptic number.

47540447655 is a deficient number, since it is larger than the sum of its proper divisors (31890030681).

47540447655 is a wasteful number, since it uses less digits than its factorization.

47540447655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101767.

The product of its (nonzero) digits is 9408000, while the sum is 51.

The spelling of 47540447655 in words is "forty-seven billion, five hundred forty million, four hundred forty-seven thousand, six hundred fifty-five".