50553688 has 8 divisors (see below), whose sum is σ = 94788180. Its totient is φ = 25276840.

The previous prime is 50553649. The next prime is 50553709. The reversal of 50553688 is 88635505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 50553688.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3159598 + ... + 3159613.

Almost surely, 2^50553688 is an apocalyptic number.

It is an amenable number.

50553688 is a deficient number, since it is larger than the sum of its proper divisors (44234492).

50553688 is a wasteful number, since it uses less digits than its factorization.

50553688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319217 (or 6319213 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 50553688 is about 7110.1116728220. Note that the first 3 decimals coincide. The cubic root of 50553688 is about 369.7580302517.

The spelling of 50553688 in words is "fifty million, five hundred fifty-three thousand, six hundred eighty-eight".