47513520 has 80 divisors (see below), whose sum is σ = 163665120. Its totient is φ = 12669696.

The previous prime is 47513507. The next prime is 47513527. The reversal of 47513520 is 2531574.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47513527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8839 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (2045814).

Almost surely, 2^47513520 is an apocalyptic number.

47513520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47513520 is an abundant number, since it is smaller than the sum of its proper divisors (116151600).

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

47513520 is a wasteful number, since it uses less digits than its factorization.

47513520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22019 (or 22007 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 47513520 is about 6893.0051501504. The cubic root of 47513520 is about 362.1921794302.

The spelling of 47513520 in words is "forty-seven million, five hundred thirteen thousand, five hundred twenty".