53447944 has 16 divisors (see below), whose sum is σ = 109325520. Its totient is φ = 24294480.

The previous prime is 53447941. The next prime is 53447951. The reversal of 53447944 is 44974435.

It is a junction number, because it is equal to n+sod(n) for n = 53447897 and 53447906.

It is not an unprimeable number, because it can be changed into a prime (53447941) 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, 303594 + ... + 303769.

It is an arithmetic number, because the mean of its divisors is an integer number (6832845).

Almost surely, 2^53447944 is an apocalyptic number.

It is an amenable number.

53447944 is an abundant number, since it is smaller than the sum of its proper divisors (55877576).

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

53447944 is a wasteful number, since it uses less digits than its factorization.

53447944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607380 (or 607376 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 53447944 is about 7310.8100782335. The cubic root of 53447944 is about 376.6838505574.

The spelling of 53447944 in words is "fifty-three million, four hundred forty-seven thousand, nine hundred forty-four".