52777802555 has 4 divisors (see below), whose sum is σ = 63333363072. Its totient is φ = 42222242040.

The previous prime is 52777802527. The next prime is 52777802573. The reversal of 52777802555 is 55520877725.

It is a happy number.

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

It is not a de Polignac number, because 52777802555 - 2³² = 48482835259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52777802497 and 52777802506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5277780251 + ... + 5277780260.

It is an arithmetic number, because the mean of its divisors is an integer number (15833340768).

Almost surely, 2^52777802555 is an apocalyptic number.

52777802555 is a deficient number, since it is larger than the sum of its proper divisors (10555560517).

52777802555 is a wasteful number, since it uses less digits than its factorization.

52777802555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10555560516.

The product of its (nonzero) digits is 6860000, while the sum is 53.

The spelling of 52777802555 in words is "fifty-two billion, seven hundred seventy-seven million, eight hundred two thousand, five hundred fifty-five".