53500700138 has 8 divisors (see below), whose sum is σ = 81566641380. Its totient is φ = 26311819680.

The previous prime is 53500700129. The next prime is 53500700159. The reversal of 53500700138 is 83100700535.

It can be written as a sum of positive squares in 2 ways, for example, as 53465925529 + 34774609 = 231227^2 + 5897^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219265043 + ... + 219265286.

Almost surely, 2^53500700138 is an apocalyptic number.

53500700138 is a deficient number, since it is larger than the sum of its proper divisors (28065941242).

53500700138 is a wasteful number, since it uses less digits than its factorization.

53500700138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438530392.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 53500700138 in words is "fifty-three billion, five hundred million, seven hundred thousand, one hundred thirty-eight".