47855529021 has 8 divisors (see below), whose sum is σ = 64074349440. Its totient is φ = 31770197312.

The previous prime is 47855529011. The next prime is 47855529101. The reversal of 47855529021 is 12092555874.

47855529021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47855529021 - 2⁶ = 47855528957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47855529011) 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, 33371340 + ... + 33372773.

It is an arithmetic number, because the mean of its divisors is an integer number (8009293680).

Almost surely, 2^47855529021 is an apocalyptic number.

It is an amenable number.

47855529021 is a deficient number, since it is larger than the sum of its proper divisors (16218820419).

47855529021 is a wasteful number, since it uses less digits than its factorization.

47855529021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66744355.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 47855529021 in words is "forty-seven billion, eight hundred fifty-five million, five hundred twenty-nine thousand, twenty-one".