47811560 has 32 divisors (see below), whose sum is σ = 107805600. Its totient is φ = 19083840.

The previous prime is 47811557. The next prime is 47811587. The reversal of 47811560 is 6511874.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23795 + ... + 25725.

It is an arithmetic number, because the mean of its divisors is an integer number (3368925).

Almost surely, 2^47811560 is an apocalyptic number.

47811560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47811560 is an abundant number, since it is smaller than the sum of its proper divisors (59994040).

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

47811560 is a wasteful number, since it uses less digits than its factorization.

47811560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 47811560 is about 6914.5903710921. The cubic root of 47811560 is about 362.9479140155.

The spelling of 47811560 in words is "forty-seven million, eight hundred eleven thousand, five hundred sixty".