53345077 has 4 divisors (see below), whose sum is σ = 53513676. Its totient is φ = 53176480.

The previous prime is 53345063. The next prime is 53345093. The reversal of 53345077 is 77054335.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21150801 + 32194276 = 4599^2 + 5674^2 .

It is a cyclic number.

It is not a de Polignac number, because 53345077 - 2¹¹ = 53343029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53345057) 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, 83824 + ... + 84457.

It is an arithmetic number, because the mean of its divisors is an integer number (13378419).

Almost surely, 2^53345077 is an apocalyptic number.

It is an amenable number.

53345077 is a deficient number, since it is larger than the sum of its proper divisors (168599).

53345077 is a wasteful number, since it uses less digits than its factorization.

53345077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168598.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 53345077 is about 7303.7714230389. The cubic root of 53345077 is about 376.4420375584.

The spelling of 53345077 in words is "fifty-three million, three hundred forty-five thousand, seventy-seven".