53335550 has 24 divisors (see below), whose sum is σ = 99736176. Its totient is φ = 21219840.

The previous prime is 53335549. The next prime is 53335561. The reversal of 53335550 is 5553335.

It is a Curzon number.

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, 6887 + ... + 12413.

It is an arithmetic number, because the mean of its divisors is an integer number (4155674).

Almost surely, 2^53335550 is an apocalyptic number.

53335550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53335550 is a deficient number, since it is larger than the sum of its proper divisors (46400626).

53335550 is a wasteful number, since it uses less digits than its factorization.

53335550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 53335550 is about 7303.1191966173. The cubic root of 53335550 is about 376.4196263882.

Adding to 53335550 its reverse (5553335), we get a palindrome (58888885).

The spelling of 53335550 in words is "fifty-three million, three hundred thirty-five thousand, five hundred fifty".