53000550 has 36 divisors (see below), whose sum is σ = 142396020. Its totient is φ = 14133360.

The previous prime is 53000527. The next prime is 53000569. The reversal of 53000550 is 5500035.

53000550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 58440 + ... + 59339.

It is an arithmetic number, because the mean of its divisors is an integer number (3955445).

Almost surely, 2^53000550 is an apocalyptic number.

53000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53000550 is an abundant number, since it is smaller than the sum of its proper divisors (89395470).

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

53000550 is a wasteful number, since it uses less digits than its factorization.

53000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117797 (or 117789 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 53000550 is about 7280.1476633376. The cubic root of 53000550 is about 375.6298747617.

Adding to 53000550 its reverse (5500035), we get a palindrome (58500585).

The spelling of 53000550 in words is "fifty-three million, five hundred fifty", and thus it is an aban number.