53521335 has 24 divisors (see below), whose sum is σ = 106023840. Its totient is φ = 24466752.

The previous prime is 53521333. The next prime is 53521357. The reversal of 53521335 is 53312535.

It is not a de Polignac number, because 53521335 - 2¹ = 53521333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53521299 and 53521308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53521333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84640 + ... + 85269.

It is an arithmetic number, because the mean of its divisors is an integer number (4417660).

Almost surely, 2^53521335 is an apocalyptic number.

53521335 is a deficient number, since it is larger than the sum of its proper divisors (52502505).

53521335 is a wasteful number, since it uses less digits than its factorization.

53521335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169927 (or 169924 counting only the distinct ones).

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

The square root of 53521335 is about 7315.8277043681. The cubic root of 53521335 is about 376.8561837260.

The spelling of 53521335 in words is "fifty-three million, five hundred twenty-one thousand, three hundred thirty-five".