2555653554 has 48 divisors (see below), whose sum is σ = 5869003608. Its totient is φ = 800948736.

The previous prime is 2555653553. The next prime is 2555653559. The reversal of 2555653554 is 4553565552.

2555653554 is a `hidden beast` number, since 2 + 5 + 5 + 565 + 35 + 54 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2407374225 + 148279329 = 49065^2 + 12177^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2555653553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338064 + ... + 345540.

Almost surely, 2^2555653554 is an apocalyptic number.

2555653554 is an abundant number, since it is smaller than the sum of its proper divisors (3313350054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555653554 is a wasteful number, since it uses less digits than its factorization.

2555653554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619 (or 8616 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 45.

The square root of 2555653554 is about 50553.4722249620. The cubic root of 2555653554 is about 1367.2061189708.

The spelling of 2555653554 in words is "two billion, five hundred fifty-five million, six hundred fifty-three thousand, five hundred fifty-four".