53132321403 has 12 divisors (see below), whose sum is σ = 87710498928. Its totient is φ = 30361326480.

The previous prime is 53132321327. The next prime is 53132321423. The reversal of 53132321403 is 30412323135.

It is not a de Polignac number, because 53132321403 - 2¹⁰ = 53132320379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53132321423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421685028 + ... + 421685153.

It is an arithmetic number, because the mean of its divisors is an integer number (7309208244).

Almost surely, 2^53132321403 is an apocalyptic number.

53132321403 is a deficient number, since it is larger than the sum of its proper divisors (34578177525).

53132321403 is a wasteful number, since it uses less digits than its factorization.

53132321403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843370194 (or 843370191 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 53132321403 its reverse (30412323135), we get a palindrome (83544644538).

The spelling of 53132321403 in words is "fifty-three billion, one hundred thirty-two million, three hundred twenty-one thousand, four hundred three".