50055621 has 32 divisors (see below), whose sum is σ = 83586048. Its totient is φ = 25885440.

The previous prime is 50055619. The next prime is 50055641. The reversal of 50055621 is 12655005.

It is not a de Polignac number, because 50055621 - 2¹ = 50055619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50055591 and 50055600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77526 + ... + 78168.

It is an arithmetic number, because the mean of its divisors is an integer number (2612064).

Almost surely, 2^50055621 is an apocalyptic number.

It is an amenable number.

50055621 is a deficient number, since it is larger than the sum of its proper divisors (33530427).

50055621 is a wasteful number, since it uses less digits than its factorization.

50055621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 50055621 is about 7074.9997173145. Note that the first 3 decimals coincide. The cubic root of 50055621 is about 368.5397055848.

The spelling of 50055621 in words is "fifty million, fifty-five thousand, six hundred twenty-one".