53447346 has 24 divisors (see below), whose sum is σ = 117703404. Its totient is φ = 17523360.

The previous prime is 53447327. The next prime is 53447347. The reversal of 53447346 is 64374435.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 3956121 = 7035^2 + 1989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53447346.

It is not an unprimeable number, because it can be changed into a prime (53447347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23241 + ... + 25436.

Almost surely, 2^53447346 is an apocalyptic number.

53447346 is an abundant number, since it is smaller than the sum of its proper divisors (64256058).

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

53447346 is a wasteful number, since it uses less digits than its factorization.

53447346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48746 (or 48743 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 53447346 is about 7310.7691797786. The cubic root of 53447346 is about 376.6824457152.

The spelling of 53447346 in words is "fifty-three million, four hundred forty-seven thousand, three hundred forty-six".