505577772052 has 12 divisors (see below), whose sum is σ = 906340640436. Its totient is φ = 246623303360.

The previous prime is 505577772047. The next prime is 505577772109. The reversal of 505577772052 is 250277775505.

It can be written as a sum of positive squares in 2 ways, for example, as 72461102596 + 433116669456 = 269186^2 + 658116^2 .

It is a congruent number.

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, 1541395483 + ... + 1541395810.

It is an arithmetic number, because the mean of its divisors is an integer number (75528386703).

Almost surely, 2^505577772052 is an apocalyptic number.

It is an amenable number.

505577772052 is a deficient number, since it is larger than the sum of its proper divisors (400762868384).

505577772052 is a wasteful number, since it uses less digits than its factorization.

505577772052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082791338 (or 3082791336 counting only the distinct ones).

The product of its (nonzero) digits is 6002500, while the sum is 52.

The spelling of 505577772052 in words is "five hundred five billion, five hundred seventy-seven million, seven hundred seventy-two thousand, fifty-two".