52145512 has 16 divisors (see below), whose sum is σ = 98282340. Its totient is φ = 25936896.

The previous prime is 52145461. The next prime is 52145521. The reversal of 52145512 is 21554125.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 391876 = 7194^2 + 626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15343 + ... + 18430.

Almost surely, 2^52145512 is an apocalyptic number.

It is an amenable number.

52145512 is a deficient number, since it is larger than the sum of its proper divisors (46136828).

52145512 is a wasteful number, since it uses less digits than its factorization.

52145512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33972 (or 33968 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 52145512 is about 7221.1849443149. The cubic root of 52145512 is about 373.5989485914.

Adding to 52145512 its reverse (21554125), we get a palindrome (73699637).

The spelling of 52145512 in words is "fifty-two million, one hundred forty-five thousand, five hundred twelve".