52777905 has 32 divisors (see below), whose sum is σ = 86427264. Its totient is φ = 27495936.

The previous prime is 52777891. The next prime is 52777927. The reversal of 52777905 is 50977725.

52777905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52777905 - 2¹⁷ = 52646833 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 171762 + ... + 172068.

It is an arithmetic number, because the mean of its divisors is an integer number (2700852).

Almost surely, 2^52777905 is an apocalyptic number.

It is an amenable number.

52777905 is a deficient number, since it is larger than the sum of its proper divisors (33649359).

52777905 is a wasteful number, since it uses less digits than its factorization.

52777905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 52777905 is about 7264.8403285964. The cubic root of 52777905 is about 375.1031538444.

The spelling of 52777905 in words is "fifty-two million, seven hundred seventy-seven thousand, nine hundred five".