53113138 has 8 divisors (see below), whose sum is σ = 85798188. Its totient is φ = 24513744.

The previous prime is 53113129. The next prime is 53113139. The reversal of 53113138 is 83131135.

It can be written as a sum of positive squares in 2 ways, for example, as 53100369 + 12769 = 7287^2 + 113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53113139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021381 + ... + 1021432.

Almost surely, 2^53113138 is an apocalyptic number.

53113138 is a deficient number, since it is larger than the sum of its proper divisors (32685050).

53113138 is a wasteful number, since it uses less digits than its factorization.

53113138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042828.

The product of its digits is 1080, while the sum is 25.

The square root of 53113138 is about 7287.8760966416. The cubic root of 53113138 is about 375.8956676347.

The spelling of 53113138 in words is "fifty-three million, one hundred thirteen thousand, one hundred thirty-eight".