55550505252755 has 4 divisors (see below), whose sum is σ = 66660606303312. Its totient is φ = 44440404202200.

The previous prime is 55550505252703. The next prime is 55550505252787. The reversal of 55550505252755 is 55725250505555.

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

It is not a de Polignac number, because 55550505252755 - 2⁸ = 55550505252499 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 55550505252755.

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, 5555050525271 + ... + 5555050525280.

It is an arithmetic number, because the mean of its divisors is an integer number (16665151575828).

Almost surely, 2^{55550505252755} is an apocalyptic number.

55550505252755 is a deficient number, since it is larger than the sum of its proper divisors (11110101050557).

55550505252755 is a wasteful number, since it uses less digits than its factorization.

55550505252755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110101050556.

The product of its (nonzero) digits is 54687500, while the sum is 56.

The spelling of 55550505252755 in words is "fifty-five trillion, five hundred fifty billion, five hundred five million, two hundred fifty-two thousand, seven hundred fifty-five".