255554001 has 16 divisors (see below), whose sum is σ = 379209600. Its totient is φ = 170094384.

The previous prime is 255553981. The next prime is 255554011. The reversal of 255554001 is 100455552.

255554001 is a `hidden beast` number, since 255 + 5 + 5 + 400 + 1 = 666.

It is not a de Polignac number, because 255554001 - 2⁷ = 255553873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (255554011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10155 + ... + 24783.

It is an arithmetic number, because the mean of its divisors is an integer number (23700600).

Almost surely, 2^255554001 is an apocalyptic number.

It is an amenable number.

255554001 is a deficient number, since it is larger than the sum of its proper divisors (123655599).

255554001 is a wasteful number, since it uses less digits than its factorization.

255554001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15285 (or 15279 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 255554001 is about 15986.0564555490. The cubic root of 255554001 is about 634.5914672334.

The spelling of 255554001 in words is "two hundred fifty-five million, five hundred fifty-four thousand, one".