47559864 has 64 divisors (see below), whose sum is σ = 132503040. Its totient is φ = 14101760.

The previous prime is 47559857. The next prime is 47559881. The reversal of 47559864 is 46895574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10492 + ... + 14324.

It is an arithmetic number, because the mean of its divisors is an integer number (2070360).

Almost surely, 2^47559864 is an apocalyptic number.

47559864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47559864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66251520).

47559864 is an abundant number, since it is smaller than the sum of its proper divisors (84943176).

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

47559864 is a wasteful number, since it uses less digits than its factorization.

47559864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3896 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 47559864 is about 6896.3659995682. The cubic root of 47559864 is about 362.3099001680.

The spelling of 47559864 in words is "forty-seven million, five hundred fifty-nine thousand, eight hundred sixty-four".