253755755 has 24 divisors (see below), whose sum is σ = 340426800. Its totient is φ = 181396160.

The previous prime is 253755737. The next prime is 253755763. The reversal of 253755755 is 557557352.

It is a happy number.

It is not a de Polignac number, because 253755755 - 2¹⁶ = 253690219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32141 + ... + 39249.

It is an arithmetic number, because the mean of its divisors is an integer number (14184450).

Almost surely, 2^253755755 is an apocalyptic number.

253755755 is a deficient number, since it is larger than the sum of its proper divisors (86671045).

253755755 is a wasteful number, since it uses less digits than its factorization.

253755755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195 (or 7184 counting only the distinct ones).

The product of its digits is 918750, while the sum is 44.

The square root of 253755755 is about 15929.7129603769. The cubic root of 253755755 is about 633.0994946209.

The spelling of 253755755 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, seven hundred fifty-five".