53110531 has 4 divisors (see below), whose sum is σ = 53131000. Its totient is φ = 53090064.

The previous prime is 53110501. The next prime is 53110537. The reversal of 53110531 is 13501135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13501135 = 5 ⋅2700227.

It is a cyclic number.

It is not a de Polignac number, because 53110531 - 2⁹ = 53110019 is a prime.

It is a super-2 number, since 2×53110531² = 5641457006203922, 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 = 53110499 and 53110508.

It is not an unprimeable number, because it can be changed into a prime (53110537) 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, 5661 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (13282750).

Almost surely, 2^53110531 is an apocalyptic number.

53110531 is a deficient number, since it is larger than the sum of its proper divisors (20469).

53110531 is a wasteful number, since it uses less digits than its factorization.

53110531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 53110531 is about 7287.6972357529. The cubic root of 53110531 is about 375.8895173922.

Adding to 53110531 its reverse (13501135), we get a palindrome (66611666).

The spelling of 53110531 in words is "fifty-three million, one hundred ten thousand, five hundred thirty-one".