53382505 has 16 divisors (see below), whose sum is σ = 70061184. Its totient is φ = 38724480.

The previous prime is 53382493. The next prime is 53382509. The reversal of 53382505 is 50528335.

It is not a de Polignac number, because 53382505 - 2⁵ = 53382473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53382509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25789 + ... + 27781.

It is an arithmetic number, because the mean of its divisors is an integer number (4378824).

Almost surely, 2^53382505 is an apocalyptic number.

53382505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53382505 is a deficient number, since it is larger than the sum of its proper divisors (16678679).

53382505 is a wasteful number, since it uses less digits than its factorization.

53382505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 53382505 is about 7306.3332116733. Note that the first 3 decimals coincide. The cubic root of 53382505 is about 376.5300567941.

It can be divided in two parts, 533 and 82505, that added together give a palindrome (83038).

The spelling of 53382505 in words is "fifty-three million, three hundred eighty-two thousand, five hundred five".