53438371 has 8 divisors (see below), whose sum is σ = 62319200. Its totient is φ = 45804024.

The previous prime is 53438369. The next prime is 53438377. The reversal of 53438371 is 17383435.

It is not a de Polignac number, because 53438371 - 2¹ = 53438369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53438377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77556 + ... + 78241.

It is an arithmetic number, because the mean of its divisors is an integer number (7789900).

Almost surely, 2^53438371 is an apocalyptic number.

53438371 is a deficient number, since it is larger than the sum of its proper divisors (8880829).

53438371 is an equidigital number, since it uses as much as digits as its factorization.

53438371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155818 (or 155804 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 53438371 is about 7310.1553335069. The cubic root of 53438371 is about 376.6613600770.

The spelling of 53438371 in words is "fifty-three million, four hundred thirty-eight thousand, three hundred seventy-one".