53521460 has 24 divisors (see below), whose sum is σ = 117282816. Its totient is φ = 20477600.

The previous prime is 53521453. The next prime is 53521477. The reversal of 53521460 is 6412535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57716 + ... + 58635.

It is an arithmetic number, because the mean of its divisors is an integer number (4886784).

Almost surely, 2^53521460 is an apocalyptic number.

It is an amenable number.

53521460 is an abundant number, since it is smaller than the sum of its proper divisors (63761356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53521460 is a wasteful number, since it uses less digits than its factorization.

53521460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116383 (or 116381 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53521460 is about 7315.8362474839. The cubic root of 53521460 is about 376.8564771104.

Adding to 53521460 its reverse (6412535), we get a palindrome (59933995).

The spelling of 53521460 in words is "fifty-three million, five hundred twenty-one thousand, four hundred sixty".