53066550 has 24 divisors (see below), whose sum is σ = 131605416. Its totient is φ = 14151040.

The previous prime is 53066509. The next prime is 53066579. The reversal of 53066550 is 5566035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176739 + ... + 177038.

It is an arithmetic number, because the mean of its divisors is an integer number (5483559).

Almost surely, 2^53066550 is an apocalyptic number.

53066550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53066550 is an abundant number, since it is smaller than the sum of its proper divisors (78538866).

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

53066550 is a wasteful number, since it uses less digits than its factorization.

53066550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353792 (or 353787 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 53066550 is about 7284.6791281428. The cubic root of 53066550 is about 375.7857303023.

The spelling of 53066550 in words is "fifty-three million, sixty-six thousand, five hundred fifty".