52513634 has 4 divisors (see below), whose sum is σ = 78770454. Its totient is φ = 26256816.

The previous prime is 52513633. The next prime is 52513639. The reversal of 52513634 is 43631525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50367409 + 2146225 = 7097^2 + 1465^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52513597 and 52513606.

It is not an unprimeable number, because it can be changed into a prime (52513633) 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, 13128407 + ... + 13128410.

Almost surely, 2^52513634 is an apocalyptic number.

52513634 is a deficient number, since it is larger than the sum of its proper divisors (26256820).

52513634 is a wasteful number, since it uses less digits than its factorization.

52513634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26256819.

The product of its digits is 10800, while the sum is 29.

The square root of 52513634 is about 7246.6291474036. The cubic root of 52513634 is about 374.4760302971.

The spelling of 52513634 in words is "fifty-two million, five hundred thirteen thousand, six hundred thirty-four".