53749808 has 20 divisors (see below), whose sum is σ = 119017680. Its totient is φ = 23035584.

The previous prime is 53749807. The next prime is 53749831. The reversal of 53749808 is 80894735.

It is not an unprimeable number, because it can be changed into a prime (53749807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239843 + ... + 240066.

It is an arithmetic number, because the mean of its divisors is an integer number (5950884).

Almost surely, 2^53749808 is an apocalyptic number.

It is an amenable number.

53749808 is an abundant number, since it is smaller than the sum of its proper divisors (65267872).

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

53749808 is a wasteful number, since it uses less digits than its factorization.

53749808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479924 (or 479918 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 53749808 is about 7331.4260550046. The cubic root of 53749808 is about 377.3916663539.

The spelling of 53749808 in words is "fifty-three million, seven hundred forty-nine thousand, eight hundred eight".