52135929 has 6 divisors (see below), whose sum is σ = 75307466. Its totient is φ = 34757280.

The previous prime is 52135927. The next prime is 52136011. The reversal of 52135929 is 92953125.

It is a happy number.

52135929 is a `hidden beast` number, since 52 + 13 + 592 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48274704 + 3861225 = 6948^2 + 1965^2 .

It is not a de Polignac number, because 52135929 - 2¹ = 52135927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52135893 and 52135902.

It is not an unprimeable number, because it can be changed into a prime (52135927) 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, 2896432 + ... + 2896449.

Almost surely, 2^52135929 is an apocalyptic number.

It is an amenable number.

52135929 is a deficient number, since it is larger than the sum of its proper divisors (23171537).

52135929 is a wasteful number, since it uses less digits than its factorization.

52135929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792887 (or 5792884 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 52135929 is about 7220.5213800667. The cubic root of 52135929 is about 373.5760612394.

It can be divided in two parts, 52 and 135929, that added together give a triangular number (135981 = T₅₂₁).

The spelling of 52135929 in words is "fifty-two million, one hundred thirty-five thousand, nine hundred twenty-nine".