50853621 has 72 divisors (see below), whose sum is σ = 90123840. Its totient is φ = 25369344.

The previous prime is 50853619. The next prime is 50853641. The reversal of 50853621 is 12635805.

It is not a de Polignac number, because 50853621 - 2¹ = 50853619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50853641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 571345 + ... + 571433.

It is an arithmetic number, because the mean of its divisors is an integer number (1251720).

Almost surely, 2^50853621 is an apocalyptic number.

It is an amenable number.

50853621 is a deficient number, since it is larger than the sum of its proper divisors (39270219).

50853621 is a wasteful number, since it uses less digits than its factorization.

50853621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 50853621 is about 7131.1724842413. The cubic root of 50853621 is about 370.4878420141.

The spelling of 50853621 in words is "fifty million, eight hundred fifty-three thousand, six hundred twenty-one".