53015211 has 12 divisors (see below), whose sum is σ = 78023088. Its totient is φ = 34676304.

The previous prime is 53015167. The next prime is 53015273. The reversal of 53015211 is 11251035.

It is not a de Polignac number, because 53015211 - 2⁹ = 53014699 is a prime.

It is a super-2 number, since 2×53015211² = 5621225194749042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53515211) 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, 55095 + ... + 56048.

It is an arithmetic number, because the mean of its divisors is an integer number (6501924).

Almost surely, 2^53015211 is an apocalyptic number.

53015211 is a deficient number, since it is larger than the sum of its proper divisors (25007877).

53015211 is a wasteful number, since it uses less digits than its factorization.

53015211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111202 (or 111199 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 53015211 is about 7281.1545101035. The cubic root of 53015211 is about 375.6645071186.

Adding to 53015211 its reverse (11251035), we get a palindrome (64266246).

The spelling of 53015211 in words is "fifty-three million, fifteen thousand, two hundred eleven".