2555455838 has 16 divisors (see below), whose sum is σ = 4239614400. Its totient is φ = 1147563936.

The previous prime is 2555455807. The next prime is 2555455879. The reversal of 2555455838 is 8385545552.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327238 + ... + 1329161.

It is an arithmetic number, because the mean of its divisors is an integer number (264975900).

Almost surely, 2^2555455838 is an apocalyptic number.

2555455838 is a deficient number, since it is larger than the sum of its proper divisors (1684158562).

2555455838 is a wasteful number, since it uses less digits than its factorization.

2555455838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656451.

The product of its digits is 4800000, while the sum is 50.

The square root of 2555455838 is about 50551.5166735875. The cubic root of 2555455838 is about 1367.1708604755.

The spelling of 2555455838 in words is "two billion, five hundred fifty-five million, four hundred fifty-five thousand, eight hundred thirty-eight".