53078269 has 4 divisors (see below), whose sum is σ = 53593696. Its totient is φ = 52562844.

The previous prime is 53078257. The next prime is 53078299. The reversal of 53078269 is 96287035.

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 53078269 - 2⁷ = 53078141 is a prime.

It is a super-2 number, since 2×53078269² = 5634605280072722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53078209) 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, 257559 + ... + 257764.

It is an arithmetic number, because the mean of its divisors is an integer number (13398424).

Almost surely, 2^53078269 is an apocalyptic number.

It is an amenable number.

53078269 is a deficient number, since it is larger than the sum of its proper divisors (515427).

53078269 is a wasteful number, since it uses less digits than its factorization.

53078269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515426.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 53078269 is about 7285.4834431217. The cubic root of 53078269 is about 375.8133905945.

The spelling of 53078269 in words is "fifty-three million, seventy-eight thousand, two hundred sixty-nine".