47655520 has 48 divisors (see below), whose sum is σ = 122825808. Its totient is φ = 17328640.

The previous prime is 47655479. The next prime is 47655521. The reversal of 47655520 is 2555674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47655521) 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, 11779 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (2558871).

Almost surely, 2^47655520 is an apocalyptic number.

47655520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47655520 is an abundant number, since it is smaller than the sum of its proper divisors (75170288).

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

47655520 is a wasteful number, since it uses less digits than its factorization.

47655520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27103 (or 27095 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 47655520 is about 6903.2977626639. The cubic root of 47655520 is about 362.5526392048.

The spelling of 47655520 in words is "forty-seven million, six hundred fifty-five thousand, five hundred twenty".