253277568 has 96 divisors (see below), whose sum is σ = 745928040. Its totient is φ = 82446336.

The previous prime is 253277491. The next prime is 253277593. The reversal of 253277568 is 865772352.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46980 + ... + 52092.

Almost surely, 2^253277568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253277568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372964020).

253277568 is an abundant number, since it is smaller than the sum of its proper divisors (492650472).

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

253277568 is a wasteful number, since it uses less digits than its factorization.

253277568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176 (or 5161 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 253277568 is about 15914.6966040827. The cubic root of 253277568 is about 632.7015656330.

The spelling of 253277568 in words is "two hundred fifty-three million, two hundred seventy-seven thousand, five hundred sixty-eight".