842108553 has 48 divisors (see below), whose sum is σ = 1463978880. Its totient is φ = 459590400.

The previous prime is 842108537. The next prime is 842108563. The reversal of 842108553 is 355801248.

It is a happy number.

842108553 is a `hidden beast` number, since 84 + 21 + 0 + 8 + 553 = 666.

It is not a de Polignac number, because 842108553 - 2⁴ = 842108537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (842108503) 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 47 ways as a sum of consecutive naturals, for example, 44788 + ... + 60746.

It is an arithmetic number, because the mean of its divisors is an integer number (30499560).

Almost surely, 2^842108553 is an apocalyptic number.

It is an amenable number.

842108553 is a deficient number, since it is larger than the sum of its proper divisors (621870327).

842108553 is a wasteful number, since it uses less digits than its factorization.

842108553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16030 (or 16027 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 842108553 is about 29019.1066885251. The cubic root of 842108553 is about 944.3276211451.

The spelling of 842108553 in words is "eight hundred forty-two million, one hundred eight thousand, five hundred fifty-three".