253045755 has 32 divisors (see below), whose sum is σ = 460331520. Its totient is φ = 131816160.

The previous prime is 253045733. The next prime is 253045829. The reversal of 253045755 is 557540352.

It is not a de Polignac number, because 253045755 - 2¹⁰ = 253044731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15991 + ... + 27600.

It is an arithmetic number, because the mean of its divisors is an integer number (14385360).

Almost surely, 2^253045755 is an apocalyptic number.

253045755 is a deficient number, since it is larger than the sum of its proper divisors (207285765).

253045755 is a wasteful number, since it uses less digits than its factorization.

253045755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43648 (or 43642 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The square root of 253045755 is about 15907.4119516658. The cubic root of 253045755 is about 632.5084794231.

The spelling of 253045755 in words is "two hundred fifty-three million, forty-five thousand, seven hundred fifty-five".