55005002775 has 24 divisors (see below), whose sum is σ = 101046228560. Its totient is φ = 29336001120.

The previous prime is 55005002747. The next prime is 55005002807. The reversal of 55005002775 is 57720050055.

It is not a de Polignac number, because 55005002775 - 2¹² = 55004998679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40743772 + ... + 40745121.

Almost surely, 2^55005002775 is an apocalyptic number.

55005002775 is a deficient number, since it is larger than the sum of its proper divisors (46041225785).

55005002775 is a wasteful number, since it uses less digits than its factorization.

55005002775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81488912 (or 81488901 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The spelling of 55005002775 in words is "fifty-five billion, five million, two thousand, seven hundred seventy-five".