428553255 has 32 divisors (see below), whose sum is σ = 781873344. Its totient is φ = 198567936.

The previous prime is 428553247. The next prime is 428553299. The reversal of 428553255 is 552355824.

It is not a de Polignac number, because 428553255 - 2³ = 428553247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61324 + ... + 67953.

It is an arithmetic number, because the mean of its divisors is an integer number (24433542).

Almost surely, 2^428553255 is an apocalyptic number.

428553255 is a deficient number, since it is larger than the sum of its proper divisors (353320089).

428553255 is a wasteful number, since it uses less digits than its factorization.

428553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129315.

The product of its digits is 240000, while the sum is 39.

The square root of 428553255 is about 20701.5278421666. The cubic root of 428553255 is about 753.9367839314.

The spelling of 428553255 in words is "four hundred twenty-eight million, five hundred fifty-three thousand, two hundred fifty-five".