538138053 has 32 divisors (see below), whose sum is σ = 810163200. Its totient is φ = 352982448.

The previous prime is 538138031. The next prime is 538138057. The reversal of 538138053 is 350831835.

It is not a de Polignac number, because 538138053 - 2⁹ = 538137541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538137999 and 538138017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538138057) 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, 983526 + ... + 984072.

It is an arithmetic number, because the mean of its divisors is an integer number (25317600).

Almost surely, 2^538138053 is an apocalyptic number.

It is an amenable number.

538138053 is a deficient number, since it is larger than the sum of its proper divisors (272025147).

538138053 is a wasteful number, since it uses less digits than its factorization.

538138053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 538138053 is about 23197.8027623307. The cubic root of 538138053 is about 813.3882624187.

Adding to 538138053 its reverse (350831835), we get a palindrome (888969888).

It can be divided in two parts, 5381 and 38053, that added together give a palindrome (43434).

The spelling of 538138053 in words is "five hundred thirty-eight million, one hundred thirty-eight thousand, fifty-three".