253755392 has 66 divisors (see below), whose sum is σ = 557842299. Its totient is φ = 115343360.

The previous prime is 253755391. The next prime is 253755419. The reversal of 253755392 is 293557352.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 126877696 + 126877696 = 11264^2 + 11264^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11264.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (253755391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23068667 + ... + 23068677.

Almost surely, 2^253755392 is an apocalyptic number.

253755392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253755392

253755392 is an abundant number, since it is smaller than the sum of its proper divisors (304086907).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253755392 is an frugal number, since it uses more digits than its factorization.

253755392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 13 counting only the distinct ones).

The product of its digits is 283500, while the sum is 41.

The square root of 253755392 is about 15929.7015665705. The cubic root of 253755392 is about 633.0991927358.

The spelling of 253755392 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, three hundred ninety-two".