255453100 has 72 divisors (see below), whose sum is σ = 666901760. Its totient is φ = 82969920.

The previous prime is 255453097. The next prime is 255453103. The reversal of 255453100 is 1354552.

It is an interprime number because it is at equal distance from previous prime (255453097) and next prime (255453103).

It is a super-2 number, since 2×255453100² = 130512572599220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (255453103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3697 + ... + 22903.

Almost surely, 2^255453100 is an apocalyptic number.

255453100 is a gapful number since it is divisible by the number (20) 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 255453100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333450880).

255453100 is an abundant number, since it is smaller than the sum of its proper divisors (411448660).

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

255453100 is a wasteful number, since it uses less digits than its factorization.

255453100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247 (or 19240 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255453100 is about 15982.9002374413. The cubic root of 255453100 is about 634.5079371479.

The spelling of 255453100 in words is "two hundred fifty-five million, four hundred fifty-three thousand, one hundred".