53067251 has 4 divisors (see below), whose sum is σ = 56188872. Its totient is φ = 49945632.

The previous prime is 53067239. The next prime is 53067253. The reversal of 53067251 is 15276035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53067251 - 2¹⁰ = 53066227 is a prime.

It is a super-3 number, since 3×53067251³ (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 not an unprimeable number, because it can be changed into a prime (53067253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560785 + ... + 1560818.

It is an arithmetic number, because the mean of its divisors is an integer number (14047218).

Almost surely, 2^53067251 is an apocalyptic number.

53067251 is a deficient number, since it is larger than the sum of its proper divisors (3121621).

53067251 is a wasteful number, since it uses less digits than its factorization.

53067251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121620.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 53067251 is about 7284.7272426632. The cubic root of 53067251 is about 375.7873849833.

The spelling of 53067251 in words is "fifty-three million, sixty-seven thousand, two hundred fifty-one".