255072755 has 16 divisors (see below), whose sum is σ = 350625024. Its totient is φ = 174501600.

The previous prime is 255072749. The next prime is 255072761. The reversal of 255072755 is 557270552.

It is an interprime number because it is at equal distance from previous prime (255072749) and next prime (255072761).

It is not a de Polignac number, because 255072755 - 2²⁰ = 254024179 is a prime.

It is a super-2 number, since 2×255072755² = 130124220686580050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7280 + ... + 23730.

It is an arithmetic number, because the mean of its divisors is an integer number (21914064).

Almost surely, 2^255072755 is an apocalyptic number.

255072755 is a deficient number, since it is larger than the sum of its proper divisors (95552269).

255072755 is a wasteful number, since it uses less digits than its factorization.

255072755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16906.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 255072755 is about 15970.9973076198. The cubic root of 255072755 is about 634.1928737125.

The spelling of 255072755 in words is "two hundred fifty-five million, seventy-two thousand, seven hundred fifty-five".