426857553 has 16 divisors (see below), whose sum is σ = 665665600. Its totient is φ = 269593920.

The previous prime is 426857537. The next prime is 426857579. The reversal of 426857553 is 355758624.

426857553 is a `hidden beast` number, since 4 + 26 + 8 + 575 + 53 = 666.

It is not a de Polignac number, because 426857553 - 2⁴ = 426857537 is a prime.

It is a super-3 number, since 3×426857553³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426857499 and 426857508.

It is not an unprimeable number, because it can be changed into a prime (426857503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415528 + ... + 416553.

It is an arithmetic number, because the mean of its divisors is an integer number (41604100).

Almost surely, 2^426857553 is an apocalyptic number.

It is an amenable number.

426857553 is a deficient number, since it is larger than the sum of its proper divisors (238808047).

426857553 is a wasteful number, since it uses less digits than its factorization.

426857553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832109 (or 832103 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 426857553 is about 20660.5312855212. The cubic root of 426857553 is about 752.9410756894.

The spelling of 426857553 in words is "four hundred twenty-six million, eight hundred fifty-seven thousand, five hundred fifty-three".