53355550 has 24 divisors (see below), whose sum is σ = 100178856. Its totient is φ = 21140640.

The previous prime is 53355539. The next prime is 53355551. The reversal of 53355550 is 5555335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53355551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (4174119).

Almost surely, 2^53355550 is an apocalyptic number.

53355550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53355550 is a deficient number, since it is larger than the sum of its proper divisors (46823306).

53355550 is a wasteful number, since it uses less digits than its factorization.

53355550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092 (or 10087 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 53355550 is about 7304.4883462156. The cubic root of 53355550 is about 376.4666710061.

The spelling of 53355550 in words is "fifty-three million, three hundred fifty-five thousand, five hundred fifty".