53645968 has 20 divisors (see below), whose sum is σ = 109410160. Its totient is φ = 25411104.

The previous prime is 53645957. The next prime is 53645981. The reversal of 53645968 is 86954635.

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, 87930 + ... + 88537.

It is an arithmetic number, because the mean of its divisors is an integer number (5470508).

Almost surely, 2^53645968 is an apocalyptic number.

It is an amenable number.

53645968 is an abundant number, since it is smaller than the sum of its proper divisors (55764192).

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

53645968 is a wasteful number, since it uses less digits than its factorization.

53645968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176494 (or 176488 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 53645968 is about 7324.3407894499. The cubic root of 53645968 is about 377.1484802826.

The spelling of 53645968 in words is "fifty-three million, six hundred forty-five thousand, nine hundred sixty-eight".