255555545 has 8 divisors (see below), whose sum is σ = 350476224. Its totient is φ = 175238064.

The previous prime is 255555533. The next prime is 255555647. The reversal of 255555545 is 545555552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255555545 - 2¹² = 255551449 is a prime.

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, 3650759 + ... + 3650828.

It is an arithmetic number, because the mean of its divisors is an integer number (43809528).

Almost surely, 2^255555545 is an apocalyptic number.

It is an amenable number.

255555545 is a deficient number, since it is larger than the sum of its proper divisors (94920679).

255555545 is an equidigital number, since it uses as much as digits as its factorization.

255555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301599.

The product of its digits is 625000, while the sum is 41.

The square root of 255555545 is about 15986.1047475612. The cubic root of 255555545 is about 634.5927452506.

The spelling of 255555545 in words is "two hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-five".