255555654 has 16 divisors (see below), whose sum is σ = 516173040. Its totient is φ = 84341600.

The previous prime is 255555653. The next prime is 255555667. The reversal of 255555654 is 456555552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210249 + ... + 211460.

It is an arithmetic number, because the mean of its divisors is an integer number (32260815).

Almost surely, 2^255555654 is an apocalyptic number.

255555654 is an abundant number, since it is smaller than the sum of its proper divisors (260617386).

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

255555654 is a wasteful number, since it uses less digits than its factorization.

255555654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421815.

The product of its digits is 750000, while the sum is 42.

The square root of 255555654 is about 15986.1081567716. The cubic root of 255555654 is about 634.5928354731.

The spelling of 255555654 in words is "two hundred fifty-five million, five hundred fifty-five thousand, six hundred fifty-four".