53666448 has 40 divisors (see below), whose sum is σ = 151243296. Its totient is φ = 16262400.

The previous prime is 53666423. The next prime is 53666479. The reversal of 53666448 is 84466635.

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, 50293 + ... + 51348.

Almost surely, 2^53666448 is an apocalyptic number.

It is an amenable number.

53666448 is an abundant number, since it is smaller than the sum of its proper divisors (97576848).

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

53666448 is a wasteful number, since it uses less digits than its factorization.

53666448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101663 (or 101657 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 53666448 is about 7325.7387340800. The cubic root of 53666448 is about 377.1964678479.

The spelling of 53666448 in words is "fifty-three million, six hundred sixty-six thousand, four hundred forty-eight".