50669664 has 24 divisors (see below), whose sum is σ = 133008120. Its totient is φ = 16889856.

The previous prime is 50669659. The next prime is 50669669. The reversal of 50669664 is 46696605.

It is an interprime number because it is at equal distance from previous prime (50669659) and next prime (50669669).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50669669) 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, 263809 + ... + 264000.

It is an arithmetic number, because the mean of its divisors is an integer number (5542005).

Almost surely, 2^50669664 is an apocalyptic number.

It is an amenable number.

50669664 is an abundant number, since it is smaller than the sum of its proper divisors (82338456).

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

50669664 is a wasteful number, since it uses less digits than its factorization.

50669664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527822 (or 527814 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 50669664 is about 7118.2627093976. The cubic root of 50669664 is about 370.0405701800.

The spelling of 50669664 in words is "fifty million, six hundred sixty-nine thousand, six hundred sixty-four".