53769664 has 28 divisors (see below), whose sum is σ = 114908584. Its totient is φ = 24816384.

The previous prime is 53769619. The next prime is 53769671. The reversal of 53769664 is 46696735.

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, 31482 + ... + 33145.

It is an arithmetic number, because the mean of its divisors is an integer number (4103878).

Almost surely, 2^53769664 is an apocalyptic number.

It is an amenable number.

53769664 is an abundant number, since it is smaller than the sum of its proper divisors (61138920).

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

53769664 is a wasteful number, since it uses less digits than its factorization.

53769664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64652 (or 64642 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 53769664 is about 7332.7801003439. The cubic root of 53769664 is about 377.4381320478.

The spelling of 53769664 in words is "fifty-three million, seven hundred sixty-nine thousand, six hundred sixty-four".