2554493763 has 16 divisors (see below), whose sum is σ = 3610054656. Its totient is φ = 1601170560.

The previous prime is 2554493761. The next prime is 2554493789. The reversal of 2554493763 is 3673944552.

It is a Cunningham number, because it is equal to 50542²-1.

It is not a de Polignac number, because 2554493763 - 2¹ = 2554493761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2554493761) 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, 25270 + ... + 75812.

It is an arithmetic number, because the mean of its divisors is an integer number (225628416).

Almost surely, 2^2554493763 is an apocalyptic number.

2554493763 is a deficient number, since it is larger than the sum of its proper divisors (1055560893).

2554493763 is a wasteful number, since it uses less digits than its factorization.

2554493763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51554.

The product of its digits is 2721600, while the sum is 48.

The square root of 2554493763 is about 50541.9999901072. Note that the first 5 decimals coincide. The cubic root of 2554493763 is about 1366.9992686491. Note that the first 3 decimals are identical.

The spelling of 2554493763 in words is "two billion, five hundred fifty-four million, four hundred ninety-three thousand, seven hundred sixty-three".