53409526 has 16 divisors (see below), whose sum is σ = 83329488. Its totient is φ = 25653600.

The previous prime is 53409491. The next prime is 53409527. The reversal of 53409526 is 62590435.

It is a junction number, because it is equal to n+sod(n) for n = 53409491 and 53409500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53409527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (5208093).

Almost surely, 2^53409526 is an apocalyptic number.

53409526 is a deficient number, since it is larger than the sum of its proper divisors (29919962).

53409526 is a wasteful number, since it uses less digits than its factorization.

53409526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 53409526 is about 7308.1821269041. The cubic root of 53409526 is about 376.5935763716.

It can be divided in two parts, 53409 and 526, that added together give a palindrome (53935).

The spelling of 53409526 in words is "fifty-three million, four hundred nine thousand, five hundred twenty-six".