855559542 has 16 divisors (see below), whose sum is σ = 1716520752. Its totient is φ = 284286240.

The previous prime is 855559541. The next prime is 855559553. The reversal of 855559542 is 245955558.

It is a super-3 number, since 3×855559542³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 855559491 and 855559500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855559541) 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, 223009 + ... + 226812.

It is an arithmetic number, because the mean of its divisors is an integer number (107282547).

Almost surely, 2^855559542 is an apocalyptic number.

855559542 is an abundant number, since it is smaller than the sum of its proper divisors (860961210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855559542 is a wasteful number, since it uses less digits than its factorization.

855559542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450143.

The product of its digits is 1800000, while the sum is 48.

The square root of 855559542 is about 29249.9494358537. The cubic root of 855559542 is about 949.3289968988.

The spelling of 855559542 in words is "eight hundred fifty-five million, five hundred fifty-nine thousand, five hundred forty-two".