52621011 has 12 divisors (see below), whose sum is σ = 77079600. Its totient is φ = 34586160.

The previous prime is 52620991. The next prime is 52621027. The reversal of 52621011 is 11012625.

It is not a de Polignac number, because 52621011 - 2⁹ = 52620499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52621061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40536 + ... + 41813.

It is an arithmetic number, because the mean of its divisors is an integer number (6423300).

Almost surely, 2^52621011 is an apocalyptic number.

52621011 is a deficient number, since it is larger than the sum of its proper divisors (24458589).

52621011 is a wasteful number, since it uses less digits than its factorization.

52621011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82426 (or 82423 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 52621011 is about 7254.0341190265. The cubic root of 52621011 is about 374.7310925495.

Adding to 52621011 its reverse (11012625), we get a palindrome (63633636).

The spelling of 52621011 in words is "fifty-two million, six hundred twenty-one thousand, eleven".