53212562 has 8 divisors (see below), whose sum is σ = 85958796. Its totient is φ = 24559632.

The previous prime is 53212561. The next prime is 53212603. The reversal of 53212562 is 26521235.

It can be written as a sum of positive squares in 2 ways, for example, as 48288601 + 4923961 = 6949^2 + 2219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2046637 = 53212562 / (5 + 3 + 2 + 1 + 2 + 5 + 6 + 2).

It is not an unprimeable number, because it can be changed into a prime (53212561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023293 + ... + 1023344.

Almost surely, 2^53212562 is an apocalyptic number.

53212562 is a deficient number, since it is larger than the sum of its proper divisors (32746234).

53212562 is a wasteful number, since it uses less digits than its factorization.

53212562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046652.

The product of its digits is 3600, while the sum is 26.

The square root of 53212562 is about 7294.6940991381. The cubic root of 53212562 is about 376.1300713786.

Adding to 53212562 its reverse (26521235), we get a palindrome (79733797).

The spelling of 53212562 in words is "fifty-three million, two hundred twelve thousand, five hundred sixty-two".