53451269 has 4 divisors (see below), whose sum is σ = 53538240. Its totient is φ = 53364300.

The previous prime is 53451239. The next prime is 53451271. The reversal of 53451269 is 96215435.

53451269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 96215435 = 5 ⋅19243087.

It is a cyclic number.

It is not a de Polignac number, because 53451269 - 2¹⁶ = 53385733 is a prime.

It is a super-3 number, since 3×53451269³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42557 + ... + 43794.

It is an arithmetic number, because the mean of its divisors is an integer number (13384560).

Almost surely, 2^53451269 is an apocalyptic number.

It is an amenable number.

53451269 is a deficient number, since it is larger than the sum of its proper divisors (86971).

53451269 is an equidigital number, since it uses as much as digits as its factorization.

53451269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86970.

The product of its digits is 32400, while the sum is 35.

The square root of 53451269 is about 7311.0374776772. The cubic root of 53451269 is about 376.6916615709.

The spelling of 53451269 in words is "fifty-three million, four hundred fifty-one thousand, two hundred sixty-nine".