53366638 has 16 divisors (see below), whose sum is σ = 91279440. Its totient is φ = 23181696.

The previous prime is 53366629. The next prime is 53366657. The reversal of 53366638 is 83666335.

It is a self number, because there is not a number n which added to its sum of digits gives 53366638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59928 + ... + 60811.

It is an arithmetic number, because the mean of its divisors is an integer number (5704965).

Almost surely, 2^53366638 is an apocalyptic number.

53366638 is a deficient number, since it is larger than the sum of its proper divisors (37912802).

53366638 is a wasteful number, since it uses less digits than its factorization.

53366638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120771.

The product of its digits is 233280, while the sum is 40.

The square root of 53366638 is about 7305.2472921866. The cubic root of 53366638 is about 376.4927474769.

The spelling of 53366638 in words is "fifty-three million, three hundred sixty-six thousand, six hundred thirty-eight".