53642533 has 8 divisors (see below), whose sum is σ = 61718400. Its totient is φ = 45669840.

The previous prime is 53642521. The next prime is 53642549. The reversal of 53642533 is 33524635.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53642533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53642495 and 53642504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53642513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24673 + ... + 26758.

It is an arithmetic number, because the mean of its divisors is an integer number (7714800).

Almost surely, 2^53642533 is an apocalyptic number.

It is an amenable number.

53642533 is a deficient number, since it is larger than the sum of its proper divisors (8075867).

53642533 is a wasteful number, since it uses less digits than its factorization.

53642533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51587.

The product of its digits is 32400, while the sum is 31.

The square root of 53642533 is about 7324.1062936033. The cubic root of 53642533 is about 377.1404303910.

The spelling of 53642533 in words is "fifty-three million, six hundred forty-two thousand, five hundred thirty-three".