50020553 has 12 divisors (see below), whose sum is σ = 55539204. Its totient is φ = 45012000.

The previous prime is 50020543. The next prime is 50020571. The reversal of 50020553 is 35502005.

50020553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37002889 + 13017664 = 6083^2 + 3608^2 .

It is not a de Polignac number, because 50020553 - 2⁶ = 50020489 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50020543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10175 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (4628267).

Almost surely, 2^50020553 is an apocalyptic number.

It is an amenable number.

50020553 is a deficient number, since it is larger than the sum of its proper divisors (5518651).

50020553 is a wasteful number, since it uses less digits than its factorization.

50020553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 50020553 is about 7072.5209791135. The cubic root of 50020553 is about 368.4536215486.

Adding to 50020553 its reverse (35502005), we get a palindrome (85522558).

The spelling of 50020553 in words is "fifty million, twenty thousand, five hundred fifty-three".