255553430 has 16 divisors (see below), whose sum is σ = 501814224. Its totient is φ = 92928480.

The previous prime is 255553427. The next prime is 255553433. The reversal of 255553430 is 34355552.

It is an interprime number because it is at equal distance from previous prime (255553427) and next prime (255553433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255553433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161497 + ... + 1161716.

It is an arithmetic number, because the mean of its divisors is an integer number (31363389).

Almost surely, 2^255553430 is an apocalyptic number.

255553430 is a deficient number, since it is larger than the sum of its proper divisors (246260794).

255553430 is a wasteful number, since it uses less digits than its factorization.

255553430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323231.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 255553430 is about 15986.0385962251. The cubic root of 255553430 is about 634.5909945975.

The spelling of 255553430 in words is "two hundred fifty-five million, five hundred fifty-three thousand, four hundred thirty".