47945456 has 20 divisors (see below), whose sum is σ = 100040472. Its totient is φ = 22128576.

The previous prime is 47945453. The next prime is 47945459. The reversal of 47945456 is 65454974.

It is an interprime number because it is at equal distance from previous prime (47945453) and next prime (47945459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47945453) 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, 115046 + ... + 115461.

Almost surely, 2^47945456 is an apocalyptic number.

It is an amenable number.

47945456 is an abundant number, since it is smaller than the sum of its proper divisors (52095016).

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

47945456 is a wasteful number, since it uses less digits than its factorization.

47945456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230528 (or 230522 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 47945456 is about 6924.2657372461. The cubic root of 47945456 is about 363.2864094121.

The spelling of 47945456 in words is "forty-seven million, nine hundred forty-five thousand, four hundred fifty-six".