2554791785 has 16 divisors (see below), whose sum is σ = 3773231616. Its totient is φ = 1617098688.

The previous prime is 2554791761. The next prime is 2554791787. The reversal of 2554791785 is 5871974552.

It is a cyclic number.

It is not a de Polignac number, because 2554791785 - 2¹⁰ = 2554790761 is a prime.

It is a super-2 number, since 2×2554791785² = 13053922129406972450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2554791787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2807009 + ... + 2807918.

It is an arithmetic number, because the mean of its divisors is an integer number (235826976).

Almost surely, 2^2554791785 is an apocalyptic number.

It is an amenable number.

2554791785 is a deficient number, since it is larger than the sum of its proper divisors (1218439831).

2554791785 is a wasteful number, since it uses less digits than its factorization.

2554791785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614952.

The product of its digits is 3528000, while the sum is 53.

The square root of 2554791785 is about 50544.9481649749. The cubic root of 2554791785 is about 1367.0524272592.

The spelling of 2554791785 in words is "two billion, five hundred fifty-four million, seven hundred ninety-one thousand, seven hundred eighty-five".