255411553 has 6 divisors (see below), whose sum is σ = 271319846. Its totient is φ = 240387072.

The previous prime is 255411551. The next prime is 255411557. The reversal of 255411553 is 355114552.

255411553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 163405089 + 92006464 = 12783^2 + 9592^2 .

It is not a de Polignac number, because 255411553 - 2¹ = 255411551 is a prime.

It is a super-2 number, since 2×255411553² = 130470122811743618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255411551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441600 + ... + 442177.

Almost surely, 2^255411553 is an apocalyptic number.

It is an amenable number.

255411553 is a deficient number, since it is larger than the sum of its proper divisors (15908293).

255411553 is an equidigital number, since it uses as much as digits as its factorization.

255411553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883811 (or 883794 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 255411553 is about 15981.6004517695. The cubic root of 255411553 is about 634.4735364033.

The spelling of 255411553 in words is "two hundred fifty-five million, four hundred eleven thousand, five hundred fifty-three".