53078169769 has 3 divisors (see below), whose sum is σ = 53078400157. Its totient is φ = 53077939382.

The previous prime is 53078169757. The next prime is 53078169797. The reversal of 53078169769 is 96796187035.

The square root of 53078169769 is 230387.

It is a perfect power (a square), and thus also a powerful number.

53078169769 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 brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 53078169769 - 2¹¹ = 53078167721 is a prime.

It is a super-2 number, since 2×53078169769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53078160769) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 115194 + ... + 345580.

Almost surely, 2^53078169769 is an apocalyptic number.

53078169769 is the 230387-th square number.

53078169769 is the 115194-th centered octagonal number.

It is an amenable number.

53078169769 is a deficient number, since it is larger than the sum of its proper divisors (230388).

53078169769 is an frugal number, since it uses more digits than its factorization.

53078169769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460774 (or 230387 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 53078169769 in words is "fifty-three billion, seventy-eight million, one hundred sixty-nine thousand, seven hundred sixty-nine".