53808077 has 4 divisors (see below), whose sum is σ = 56973276. Its totient is φ = 50642880.

The previous prime is 53808071. The next prime is 53808103. The reversal of 53808077 is 77080835.

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 40309801 + 13498276 = 6349^2 + 3674^2 .

It is a cyclic number.

It is not a de Polignac number, because 53808077 - 2⁴ = 53808061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53808077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53808071) 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, 1582574 + ... + 1582607.

It is an arithmetic number, because the mean of its divisors is an integer number (14243319).

Almost surely, 2^53808077 is an apocalyptic number.

It is an amenable number.

53808077 is a deficient number, since it is larger than the sum of its proper divisors (3165199).

53808077 is a wasteful number, since it uses less digits than its factorization.

53808077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165198.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 53808077 is about 7335.3988984922. The cubic root of 53808077 is about 377.5279911411.

The spelling of 53808077 in words is "fifty-three million, eight hundred eight thousand, seventy-seven".