253556056 has 48 divisors (see below), whose sum is σ = 519271200. Its totient is φ = 115382400.

The previous prime is 253556053. The next prime is 253556059. The reversal of 253556056 is 650655352.

It is an interprime number because it is at equal distance from previous prime (253556053) and next prime (253556059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253556053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060785 + ... + 1061023.

It is an arithmetic number, because the mean of its divisors is an integer number (10818150).

Almost surely, 2^253556056 is an apocalyptic number.

253556056 is a gapful number since it is divisible by the number (26) 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 253556056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259635600).

253556056 is an abundant number, since it is smaller than the sum of its proper divisors (265715144).

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

253556056 is a wasteful number, since it uses less digits than its factorization.

253556056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 253556056 is about 15923.4435974132. The cubic root of 253556056 is about 632.9333735728.

The spelling of 253556056 in words is "two hundred fifty-three million, five hundred fifty-six thousand, fifty-six".