53819616 has 24 divisors (see below), whose sum is σ = 141276744. Its totient is φ = 17939840.

The previous prime is 53819599. The next prime is 53819641. The reversal of 53819616 is 61691835.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280215 + ... + 280406.

It is an arithmetic number, because the mean of its divisors is an integer number (5886531).

Almost surely, 2^53819616 is an apocalyptic number.

It is an amenable number.

53819616 is an abundant number, since it is smaller than the sum of its proper divisors (87457128).

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

53819616 is a wasteful number, since it uses less digits than its factorization.

53819616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560634 (or 560626 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 53819616 is about 7336.1853847896. The cubic root of 53819616 is about 377.5549758391.

The spelling of 53819616 in words is "fifty-three million, eight hundred nineteen thousand, six hundred sixteen".