47655420 has 96 divisors (see below), whose sum is σ = 148780800. Its totient is φ = 11326464.

The previous prime is 47655409. The next prime is 47655431. The reversal of 47655420 is 2455674.

It is an interprime number because it is at equal distance from previous prime (47655409) and next prime (47655431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18151 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^47655420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47655420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74390400).

47655420 is an abundant number, since it is smaller than the sum of its proper divisors (101125380).

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

47655420 is a wasteful number, since it uses less digits than its factorization.

47655420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 47655420 is about 6903.2905197449. The cubic root of 47655420 is about 362.5523856120.

The spelling of 47655420 in words is "forty-seven million, six hundred fifty-five thousand, four hundred twenty".