53321535 has 12 divisors (see below), whose sum is σ = 92424072. Its totient is φ = 28438128.

The previous prime is 53321533. The next prime is 53321549. The reversal of 53321535 is 53512335.

It is not a de Polignac number, because 53321535 - 2¹ = 53321533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53321499 and 53321508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592417 + ... + 592506.

It is an arithmetic number, because the mean of its divisors is an integer number (7702006).

Almost surely, 2^53321535 is an apocalyptic number.

53321535 is a deficient number, since it is larger than the sum of its proper divisors (39102537).

53321535 is a wasteful number, since it uses less digits than its factorization.

53321535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184934 (or 1184931 counting only the distinct ones).

The product of its digits is 6750, while the sum is 27.

The square root of 53321535 is about 7302.1596120600. The cubic root of 53321535 is about 376.3866528635.

The spelling of 53321535 in words is "fifty-three million, three hundred twenty-one thousand, five hundred thirty-five".