53081777 has 4 divisors (see below), whose sum is σ = 60664896. Its totient is φ = 45498660.

The previous prime is 53081767. The next prime is 53081783. The reversal of 53081777 is 77718035.

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 53081777 - 2⁴ = 53081761 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 53081777.

It is not an unprimeable number, because it can be changed into a prime (53081747) 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, 3791549 + ... + 3791562.

It is an arithmetic number, because the mean of its divisors is an integer number (15166224).

Almost surely, 2^53081777 is an apocalyptic number.

It is an amenable number.

53081777 is a deficient number, since it is larger than the sum of its proper divisors (7583119).

53081777 is an equidigital number, since it uses as much as digits as its factorization.

53081777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583118.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 53081777 is about 7285.7241918700. The cubic root of 53081777 is about 375.8216697161.

The spelling of 53081777 in words is "fifty-three million, eighty-one thousand, seven hundred seventy-seven".