53489919 has 24 divisors (see below), whose sum is σ = 84217728. Its totient is φ = 30103920.

The previous prime is 53489861. The next prime is 53489941. The reversal of 53489919 is 91998435.

It is not a de Polignac number, because 53489919 - 2¹² = 53485823 is a prime.

It is a super-2 number, since 2×53489919² = 5722342869253122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53489999) 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, 7134 + ... + 12564.

It is an arithmetic number, because the mean of its divisors is an integer number (3509072).

Almost surely, 2^53489919 is an apocalyptic number.

53489919 is a deficient number, since it is larger than the sum of its proper divisors (30727809).

53489919 is a wasteful number, since it uses less digits than its factorization.

53489919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5508 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 53489919 is about 7313.6802637250. The cubic root of 53489919 is about 376.7824335034.

The spelling of 53489919 in words is "fifty-three million, four hundred eighty-nine thousand, nine hundred nineteen".