53749416 has 32 divisors (see below), whose sum is σ = 153570240. Its totient is φ = 15356928.

The previous prime is 53749411. The next prime is 53749429. The reversal of 53749416 is 61494735.

It is not an unprimeable number, because it can be changed into a prime (53749411) 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 7 ways as a sum of consecutive naturals, for example, 159801 + ... + 160136.

It is an arithmetic number, because the mean of its divisors is an integer number (4799070).

Almost surely, 2^53749416 is an apocalyptic number.

53749416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53749416 is an abundant number, since it is smaller than the sum of its proper divisors (99820824).

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

53749416 is a wasteful number, since it uses less digits than its factorization.

53749416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319953 (or 319949 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 53749416 is about 7331.3993207300. The cubic root of 53749416 is about 377.3907489064.

The spelling of 53749416 in words is "fifty-three million, seven hundred forty-nine thousand, four hundred sixteen".