53069397 has 4 divisors (see below), whose sum is σ = 70759200. Its totient is φ = 35379596.

The previous prime is 53069389. The next prime is 53069399. The reversal of 53069397 is 79396035.

53069397 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.

It is a cyclic number.

It is not a de Polignac number, because 53069397 - 2³ = 53069389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53069399) 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, 8844897 + ... + 8844902.

It is an arithmetic number, because the mean of its divisors is an integer number (17689800).

Almost surely, 2^53069397 is an apocalyptic number.

It is an amenable number.

53069397 is a deficient number, since it is larger than the sum of its proper divisors (17689803).

53069397 is a wasteful number, since it uses less digits than its factorization.

53069397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689802.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 53069397 is about 7284.8745356389. The cubic root of 53069397 is about 375.7924504354.

The spelling of 53069397 in words is "fifty-three million, sixty-nine thousand, three hundred ninety-seven".