253758855 has 16 divisors (see below), whose sum is σ = 464016384. Its totient is φ = 116004000.

The previous prime is 253758829. The next prime is 253758863. The reversal of 253758855 is 558857352.

It is not a de Polignac number, because 253758855 - 2⁷ = 253758727 is a prime.

It is a super-2 number, since 2×253758855² = 128787112981822050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208271 + ... + 1208480.

It is an arithmetic number, because the mean of its divisors is an integer number (29001024).

Almost surely, 2^253758855 is an apocalyptic number.

253758855 is a deficient number, since it is larger than the sum of its proper divisors (210257529).

253758855 is a wasteful number, since it uses less digits than its factorization.

253758855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416766.

The product of its digits is 1680000, while the sum is 48.

The square root of 253758855 is about 15929.8102625235. The cubic root of 253758855 is about 633.1020726911.

The spelling of 253758855 in words is "two hundred fifty-three million, seven hundred fifty-eight thousand, eight hundred fifty-five".