253759056 has 40 divisors (see below), whose sum is σ = 676694784. Its totient is φ = 81857280.

The previous prime is 253759043. The next prime is 253759091. The reversal of 253759056 is 650957352.

It is a super-2 number, since 2×253759056² = 128787317004022272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253758999 and 253759017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83781 + ... + 86756.

Almost surely, 2^253759056 is an apocalyptic number.

It is an amenable number.

253759056 is an abundant number, since it is smaller than the sum of its proper divisors (422935728).

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

253759056 is a wasteful number, since it uses less digits than its factorization.

253759056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170579 (or 170573 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 42.

The square root of 253759056 is about 15929.8165714486. The cubic root of 253759056 is about 633.1022398491.

The spelling of 253759056 in words is "two hundred fifty-three million, seven hundred fifty-nine thousand, fifty-six".