53512733 has 4 divisors (see below), whose sum is σ = 54012960. Its totient is φ = 53012508.

The previous prime is 53512717. The next prime is 53512747. The reversal of 53512733 is 33721535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33721535 = 5 ⋅6744307.

It is not a de Polignac number, because 53512733 - 2⁴ = 53512717 is a prime.

It is a super-2 number, since 2×53512733² = 5727225186258578, 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 = 53512696 and 53512705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53512793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249953 + ... + 250166.

It is an arithmetic number, because the mean of its divisors is an integer number (13503240).

Almost surely, 2^53512733 is an apocalyptic number.

It is an amenable number.

53512733 is a deficient number, since it is larger than the sum of its proper divisors (500227).

53512733 is a wasteful number, since it uses less digits than its factorization.

53512733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500226.

The product of its digits is 9450, while the sum is 29.

The square root of 53512733 is about 7315.2397773415. The cubic root of 53512733 is about 376.8359930825.

It can be divided in two parts, 53512 and 733, that added together give a palindrome (54245).

The spelling of 53512733 in words is "fifty-three million, five hundred twelve thousand, seven hundred thirty-three".