53529631 has 8 divisors (see below), whose sum is σ = 56534400. Its totient is φ = 50543640.

The previous prime is 53529601. The next prime is 53529643. The reversal of 53529631 is 13692535.

It is a happy number.

53529631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53529631 - 2⁷ = 53529503 is a prime.

It is a super-2 number, since 2×53529631² = 5730842789992322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53529601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 10438.

It is an arithmetic number, because the mean of its divisors is an integer number (7066800).

Almost surely, 2^53529631 is an apocalyptic number.

53529631 is a deficient number, since it is larger than the sum of its proper divisors (3004769).

53529631 is a wasteful number, since it uses less digits than its factorization.

53529631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389.

The product of its digits is 24300, while the sum is 34.

The square root of 53529631 is about 7316.3946722412. The cubic root of 53529631 is about 376.8756540760.

The spelling of 53529631 in words is "fifty-three million, five hundred twenty-nine thousand, six hundred thirty-one".