53349768 has 24 divisors (see below), whose sum is σ = 144489150. Its totient is φ = 17783232.

The previous prime is 53349761. The next prime is 53349773. The reversal of 53349768 is 86794335.

53349768 is a `hidden beast` number, since 533 + 49 + 76 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 24383844 = 5382^2 + 4938^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (53349761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370413 + ... + 370556.

Almost surely, 2^53349768 is an apocalyptic number.

It is an amenable number.

53349768 is an abundant number, since it is smaller than the sum of its proper divisors (91139382).

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

53349768 is a wasteful number, since it uses less digits than its factorization.

53349768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740981 (or 740974 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 53349768 is about 7304.0925514399. The cubic root of 53349768 is about 376.4530716153.

The spelling of 53349768 in words is "fifty-three million, three hundred forty-nine thousand, seven hundred sixty-eight".