53356539 has 16 divisors (see below), whose sum is σ = 73100160. Its totient is φ = 34597440.

The previous prime is 53356529. The next prime is 53356543. The reversal of 53356539 is 93565335.

It is a happy number.

It is not a de Polignac number, because 53356539 - 2⁷ = 53356411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53356497 and 53356506.

It is not an unprimeable number, because it can be changed into a prime (53356529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71832 + ... + 72570.

It is an arithmetic number, because the mean of its divisors is an integer number (4568760).

Almost surely, 2^53356539 is an apocalyptic number.

53356539 is a deficient number, since it is larger than the sum of its proper divisors (19743621).

53356539 is a wasteful number, since it uses less digits than its factorization.

53356539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its digits is 182250, while the sum is 39.

The square root of 53356539 is about 7304.5560440043. The cubic root of 53356539 is about 376.4689970574.

The spelling of 53356539 in words is "fifty-three million, three hundred fifty-six thousand, five hundred thirty-nine".