53749336 has 8 divisors (see below), whose sum is σ = 100780020. Its totient is φ = 26874664.

The previous prime is 53749331. The next prime is 53749337. The reversal of 53749336 is 63394735.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×53749336² = 5777982240881792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53749331) 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 as a sum of consecutive naturals, namely, 3359326 + ... + 3359341.

Almost surely, 2^53749336 is an apocalyptic number.

It is an amenable number.

53749336 is a deficient number, since it is larger than the sum of its proper divisors (47030684).

53749336 is a wasteful number, since it uses less digits than its factorization.

53749336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718673 (or 6718669 counting only the distinct ones).

The product of its digits is 204120, while the sum is 40.

The square root of 53749336 is about 7331.3938647436. The cubic root of 53749336 is about 377.3905616716.

The spelling of 53749336 in words is "fifty-three million, seven hundred forty-nine thousand, three hundred thirty-six".