53868550 has 12 divisors (see below), whose sum is σ = 100195596. Its totient is φ = 21547400.

The previous prime is 53868541. The next prime is 53868557. The reversal of 53868550 is 5586835.

53868550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53868557) 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 5 ways as a sum of consecutive naturals, for example, 538636 + ... + 538735.

It is an arithmetic number, because the mean of its divisors is an integer number (8349633).

Almost surely, 2^53868550 is an apocalyptic number.

53868550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53868550 is a deficient number, since it is larger than the sum of its proper divisors (46327046).

53868550 is a wasteful number, since it uses less digits than its factorization.

53868550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077383 (or 1077378 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 53868550 is about 7339.5197390565. The cubic root of 53868550 is about 377.6693683228.

The spelling of 53868550 in words is "fifty-three million, eight hundred sixty-eight thousand, five hundred fifty".