55002777550505 has 4 divisors (see below), whose sum is σ = 66003333060612. Its totient is φ = 44002222040400.

The previous prime is 55002777550499. The next prime is 55002777550517. The reversal of 55002777550505 is 50505577720055.

It is a happy number.

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 43620001447936 + 11382776102569 = 6604544^2 + 3373837^2 .

It is not a de Polignac number, because 55002777550505 - 2¹⁴ = 55002777534121 is a prime.

It is a Duffinian 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, 5500277755046 + ... + 5500277755055.

It is an arithmetic number, because the mean of its divisors is an integer number (16500833265153).

Almost surely, 2^{55002777550505} is an apocalyptic number.

It is an amenable number.

55002777550505 is a deficient number, since it is larger than the sum of its proper divisors (11000555510107).

55002777550505 is a wasteful number, since it uses less digits than its factorization.

55002777550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000555510106.

The product of its (nonzero) digits is 10718750, while the sum is 53.

The spelling of 55002777550505 in words is "fifty-five trillion, two billion, seven hundred seventy-seven million, five hundred fifty thousand, five hundred five".