53765773 has 4 divisors (see below), whose sum is σ = 55218940. Its totient is φ = 52312608.

The previous prime is 53765759. The next prime is 53765779. The reversal of 53765773 is 37756735.

53765773 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.

It can be written as a sum of positive squares in 2 ways, for example, as 42994249 + 10771524 = 6557^2 + 3282^2 .

It is a cyclic number.

It is not a de Polignac number, because 53765773 - 2¹³ = 53757581 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53765779) 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, 726528 + ... + 726601.

It is an arithmetic number, because the mean of its divisors is an integer number (13804735).

Almost surely, 2^53765773 is an apocalyptic number.

It is an amenable number.

53765773 is a deficient number, since it is larger than the sum of its proper divisors (1453167).

53765773 is a wasteful number, since it uses less digits than its factorization.

53765773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453166.

The product of its digits is 463050, while the sum is 43.

The square root of 53765773 is about 7332.5147800738. The cubic root of 53765773 is about 377.4290274891.

The spelling of 53765773 in words is "fifty-three million, seven hundred sixty-five thousand, seven hundred seventy-three".