53438307 has 12 divisors (see below), whose sum is σ = 77154264. Its totient is φ = 32884800.

The previous prime is 53438299. The next prime is 53438321. The reversal of 53438307 is 70383435.

It is not a de Polignac number, because 53438307 - 2³ = 53438299 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 52194 + ... + 53207.

It is an arithmetic number, because the mean of its divisors is an integer number (6429522).

Almost surely, 2^53438307 is an apocalyptic number.

53438307 is a deficient number, since it is larger than the sum of its proper divisors (23715957).

53438307 is a wasteful number, since it uses less digits than its factorization.

53438307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105430 (or 105417 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 53438307 is about 7310.1509560337. The cubic root of 53438307 is about 376.6612097085.

The spelling of 53438307 in words is "fifty-three million, four hundred thirty-eight thousand, three hundred seven".