53438203 has 32 divisors (see below), whose sum is σ = 71536640. Its totient is φ = 38724480.

The previous prime is 53438183. The next prime is 53438243. The reversal of 53438203 is 30283435.

It is a cyclic number.

It is not a de Polignac number, because 53438203 - 2¹⁷ = 53307131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53438243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53101 + ... + 54097.

It is an arithmetic number, because the mean of its divisors is an integer number (2235520).

Almost surely, 2^53438203 is an apocalyptic number.

53438203 is a deficient number, since it is larger than the sum of its proper divisors (18098437).

53438203 is a wasteful number, since it uses less digits than its factorization.

With its successor (53438204) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1067).

53438203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 53438203 is about 7310.1438426340. The cubic root of 53438203 is about 376.6609653595.

It can be divided in two parts, 534 and 38203, that multiplied together give a palindrome (20400402).

The spelling of 53438203 in words is "fifty-three million, four hundred thirty-eight thousand, two hundred three".