47455656 has 16 divisors (see below), whose sum is σ = 118639200. Its totient is φ = 15818544.

The previous prime is 47455651. The next prime is 47455663. The reversal of 47455656 is 65655474.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47455651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988636 + ... + 988683.

It is an arithmetic number, because the mean of its divisors is an integer number (7414950).

Almost surely, 2^47455656 is an apocalyptic number.

It is an amenable number.

47455656 is an abundant number, since it is smaller than the sum of its proper divisors (71183544).

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

47455656 is a wasteful number, since it uses less digits than its factorization.

47455656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977328 (or 1977324 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 47455656 is about 6888.8065729849. The cubic root of 47455656 is about 362.0450886524.

It can be divided in two parts, 4745 and 5656, that added together give a palindrome (10401).

The spelling of 47455656 in words is "forty-seven million, four hundred fifty-five thousand, six hundred fifty-six".