255432551 has 8 divisors (see below), whose sum is σ = 288262800. Its totient is φ = 224203840.

The previous prime is 255432547. The next prime is 255432553. The reversal of 255432551 is 155234552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255432551 - 2² = 255432547 is a prime.

It is a super-2 number, since 2×255432551² = 130491576220735202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255432553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400046 + ... + 400683.

It is an arithmetic number, because the mean of its divisors is an integer number (36032850).

Almost surely, 2^255432551 is an apocalyptic number.

255432551 is a deficient number, since it is larger than the sum of its proper divisors (32830249).

255432551 is a wasteful number, since it uses less digits than its factorization.

255432551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800769.

The product of its digits is 30000, while the sum is 32.

The square root of 255432551 is about 15982.2573812337. The cubic root of 255432551 is about 634.4909231269.

The spelling of 255432551 in words is "two hundred fifty-five million, four hundred thirty-two thousand, five hundred fifty-one".