52515226 has 4 divisors (see below), whose sum is σ = 78772842. Its totient is φ = 26257612.

The previous prime is 52515217. The next prime is 52515263. The reversal of 52515226 is 62251525.

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., 48511225 + 4004001 = 6965^2 + 2001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52515194 and 52515203.

It is an unprimeable number.

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, 13128805 + ... + 13128808.

Almost surely, 2^52515226 is an apocalyptic number.

52515226 is a deficient number, since it is larger than the sum of its proper divisors (26257616).

52515226 is a wasteful number, since it uses less digits than its factorization.

52515226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26257615.

The product of its digits is 6000, while the sum is 28.

The square root of 52515226 is about 7246.7389907461. The cubic root of 52515226 is about 374.4798144560.

It can be divided in two parts, 525 and 15226, that added together give a palindrome (15751).

The spelling of 52515226 in words is "fifty-two million, five hundred fifteen thousand, two hundred twenty-six".