53531001 has 12 divisors (see below), whose sum is σ = 79121328. Its totient is φ = 34857144.

The previous prime is 53530957. The next prime is 53531003. The reversal of 53531001 is 10013535.

It is a happy number.

53531001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53531001 - 2⁶ = 53530937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53531003) 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 11 ways as a sum of consecutive naturals, for example, 68775 + ... + 69548.

It is an arithmetic number, because the mean of its divisors is an integer number (6593444).

Almost surely, 2^53531001 is an apocalyptic number.

It is an amenable number.

53531001 is a deficient number, since it is larger than the sum of its proper divisors (25590327).

53531001 is a wasteful number, since it uses less digits than its factorization.

53531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138372 (or 138369 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53531001 is about 7316.4882969906. The cubic root of 53531001 is about 376.8788692127.

Adding to 53531001 its reverse (10013535), we get a palindrome (63544536).

The spelling of 53531001 in words is "fifty-three million, five hundred thirty-one thousand, one".