253695855 has 32 divisors (see below), whose sum is σ = 467002368. Its totient is φ = 115200000.

The previous prime is 253695839. The next prime is 253695907. The reversal of 253695855 is 558596352.

It is not a de Polignac number, because 253695855 - 2⁴ = 253695839 is a prime.

It is a super-4 number, since 4×253695855⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7855 + ... + 23855.

It is an arithmetic number, because the mean of its divisors is an integer number (14593824).

Almost surely, 2^253695855 is an apocalyptic number.

253695855 is a deficient number, since it is larger than the sum of its proper divisors (213306513).

253695855 is a wasteful number, since it uses less digits than its factorization.

253695855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16167.

The product of its digits is 1620000, while the sum is 48.

The square root of 253695855 is about 15927.8327150934. The cubic root of 253695855 is about 633.0496755287.

The spelling of 253695855 in words is "two hundred fifty-three million, six hundred ninety-five thousand, eight hundred fifty-five".