253007555 has 4 divisors (see below), whose sum is σ = 303609072. Its totient is φ = 202406040.

The previous prime is 253007543. The next prime is 253007563. The reversal of 253007555 is 555700352.

253007555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253007555 - 2⁸ = 253007299 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, 25300751 + ... + 25300760.

It is an arithmetic number, because the mean of its divisors is an integer number (75902268).

Almost surely, 2^253007555 is an apocalyptic number.

253007555 is a deficient number, since it is larger than the sum of its proper divisors (50601517).

253007555 is an equidigital number, since it uses as much as digits as its factorization.

253007555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601516.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 253007555 is about 15906.2112082042. The cubic root of 253007555 is about 632.4766498173.

The spelling of 253007555 in words is "two hundred fifty-three million, seven thousand, five hundred fifty-five".