254540555 has 4 divisors (see below), whose sum is σ = 305448672. Its totient is φ = 203632440.

The previous prime is 254540519. The next prime is 254540567. The reversal of 254540555 is 555045452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 254540555 - 2¹² = 254536459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25454051 + ... + 25454060.

It is an arithmetic number, because the mean of its divisors is an integer number (76362168).

Almost surely, 2^254540555 is an apocalyptic number.

254540555 is a deficient number, since it is larger than the sum of its proper divisors (50908117).

254540555 is an equidigital number, since it uses as much as digits as its factorization.

254540555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50908116.

The product of its (nonzero) digits is 100000, while the sum is 35.

The square root of 254540555 is about 15954.3271559787. The cubic root of 254540555 is about 633.7514931619.

The spelling of 254540555 in words is "two hundred fifty-four million, five hundred forty thousand, five hundred fifty-five".