53211123 has 12 divisors (see below), whose sum is σ = 87840688. Its totient is φ = 30406320.

The previous prime is 53211091. The next prime is 53211131. The reversal of 53211123 is 32111235.

53211123 is a `hidden beast` number, since 532 + 11 + 123 = 666.

It is not a de Polignac number, because 53211123 - 2⁵ = 53211091 is a prime.

It is a super-2 number, since 2×53211123² = 5662847221842258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53211096 and 53211105.

It is not an unprimeable number, because it can be changed into a prime (53211623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422248 + ... + 422373.

Almost surely, 2^53211123 is an apocalyptic number.

53211123 is a deficient number, since it is larger than the sum of its proper divisors (34629565).

53211123 is a wasteful number, since it uses less digits than its factorization.

53211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844634 (or 844631 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 53211123 is about 7294.5954651372. The cubic root of 53211123 is about 376.1266808505.

Adding to 53211123 its reverse (32111235), we get a palindrome (85322358).

The spelling of 53211123 in words is "fifty-three million, two hundred eleven thousand, one hundred twenty-three".