50644521 has 40 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 32292000.

The previous prime is 50644507. The next prime is 50644523. The reversal of 50644521 is 12544605.

It is not a de Polignac number, because 50644521 - 2¹³ = 50636329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50644523) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 201646 + ... + 201896.

Almost surely, 2^50644521 is an apocalyptic number.

It is an amenable number.

50644521 is a deficient number, since it is larger than the sum of its proper divisors (28390743).

50644521 is a wasteful number, since it uses less digits than its factorization.

50644521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 50644521 is about 7116.4963992122. The cubic root of 50644521 is about 369.9793536081.

The spelling of 50644521 in words is "fifty million, six hundred forty-four thousand, five hundred twenty-one".