431992055 has 8 divisors (see below), whose sum is σ = 565516944. Its totient is φ = 314176000.

The previous prime is 431992051. The next prime is 431992103. The reversal of 431992055 is 550299134.

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

It is not a de Polignac number, because 431992055 - 2² = 431992051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431992051) 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, 3927146 + ... + 3927255.

It is an arithmetic number, because the mean of its divisors is an integer number (70689618).

Almost surely, 2^431992055 is an apocalyptic number.

431992055 is a deficient number, since it is larger than the sum of its proper divisors (133524889).

431992055 is a wasteful number, since it uses less digits than its factorization.

431992055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854417.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 431992055 is about 20784.4185629524. The cubic root of 431992055 is about 755.9479956156.

It can be divided in two parts, 43199 and 2055, that added together give a palindrome (45254).

The spelling of 431992055 in words is "four hundred thirty-one million, nine hundred ninety-two thousand, fifty-five".