2549426553 has 12 divisors (see below), whose sum is σ = 3701787648. Its totient is φ = 1690718040.

The previous prime is 2549426549. The next prime is 2549426563. The reversal of 2549426553 is 3556249452.

2549426553 is a `hidden beast` number, since 2 + 5 + 4 + 94 + 2 + 6 + 553 = 666.

It is not a de Polignac number, because 2549426553 - 2² = 2549426549 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2549426499 and 2549426508.

It is not an unprimeable number, because it can be changed into a prime (2549426533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739825 + ... + 743262.

It is an arithmetic number, because the mean of its divisors is an integer number (308482304).

Almost surely, 2^2549426553 is an apocalyptic number.

It is an amenable number.

2549426553 is a deficient number, since it is larger than the sum of its proper divisors (1152361095).

2549426553 is a wasteful number, since it uses less digits than its factorization.

2549426553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483284 (or 1483281 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The square root of 2549426553 is about 50491.8464011765. The cubic root of 2549426553 is about 1366.0947896911.

The spelling of 2549426553 in words is "two billion, five hundred forty-nine million, four hundred twenty-six thousand, five hundred fifty-three".