53438031 has 6 divisors (see below), whose sum is σ = 77188280. Its totient is φ = 35625348.

The previous prime is 53438029. The next prime is 53438057. The reversal of 53438031 is 13083435.

It is a happy number.

It is not a de Polignac number, because 53438031 - 2¹ = 53438029 is a prime.

It is a super-2 number, since 2×53438031² = 5711246314313922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53437986 and 53438004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53438081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2968771 + ... + 2968788.

Almost surely, 2^53438031 is an apocalyptic number.

53438031 is a deficient number, since it is larger than the sum of its proper divisors (23750249).

53438031 is a wasteful number, since it uses less digits than its factorization.

53438031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937565 (or 5937562 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53438031 is about 7310.1320781502. The cubic root of 53438031 is about 376.6605612432.

The spelling of 53438031 in words is "fifty-three million, four hundred thirty-eight thousand, thirty-one".