52749512 has 8 divisors (see below), whose sum is σ = 98905350. Its totient is φ = 26374752.

The previous prime is 52749509. The next prime is 52749517. The reversal of 52749512 is 21594725.

It can be written as a sum of positive squares in only one way, i.e., 51638596 + 1110916 = 7186^2 + 1054^2 .

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

It is a super-2 number, since 2×52749512² = 5565022032476288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52749517) 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, 3296837 + ... + 3296852.

Almost surely, 2^52749512 is an apocalyptic number.

It is an amenable number.

52749512 is a deficient number, since it is larger than the sum of its proper divisors (46155838).

52749512 is a wasteful number, since it uses less digits than its factorization.

52749512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6593695 (or 6593691 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 52749512 is about 7262.8859277838. The cubic root of 52749512 is about 375.0358768638.

The spelling of 52749512 in words is "fifty-two million, seven hundred forty-nine thousand, five hundred twelve".