47521560 has 64 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 12571520.

The previous prime is 47521553. The next prime is 47521571. The reversal of 47521560 is 6512574.

47521560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14209 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^47521560 is an apocalyptic number.

47521560 is a gapful number since it is divisible by the number (40) 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 47521560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

47521560 is an abundant number, since it is smaller than the sum of its proper divisors (96178920).

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

47521560 is a wasteful number, since it uses less digits than its factorization.

47521560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3164 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 47521560 is about 6893.5883253934. The cubic root of 47521560 is about 362.2126077271.

The spelling of 47521560 in words is "forty-seven million, five hundred twenty-one thousand, five hundred sixty".