50551664 has 20 divisors (see below), whose sum is σ = 98200560. Its totient is φ = 25209600.

The previous prime is 50551661. The next prime is 50551741. The reversal of 50551664 is 46615505.

It is a self number, because there is not a number n which added to its sum of digits gives 50551664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (4910028).

Almost surely, 2^50551664 is an apocalyptic number.

It is an amenable number.

50551664 is a deficient number, since it is larger than the sum of its proper divisors (47648896).

50551664 is a wasteful number, since it uses less digits than its factorization.

50551664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288 (or 8282 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 50551664 is about 7109.9693388931. The cubic root of 50551664 is about 369.7530955623.

It can be divided in two parts, 50551 and 664, that added together give a palindrome (51215).

The spelling of 50551664 in words is "fifty million, five hundred fifty-one thousand, six hundred sixty-four".