42552836 has 12 divisors (see below), whose sum is σ = 78848028. Its totient is φ = 20024832.

The previous prime is 42552827. The next prime is 42552847. The reversal of 42552836 is 63825524.

It can be written as a sum of positive squares in 2 ways, for example, as 31990336 + 10562500 = 5656^2 + 3250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42552796 and 42552805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312821 + ... + 312956.

It is an arithmetic number, because the mean of its divisors is an integer number (6570669).

Almost surely, 2^42552836 is an apocalyptic number.

It is an amenable number.

42552836 is a deficient number, since it is larger than the sum of its proper divisors (36295192).

42552836 is a wasteful number, since it uses less digits than its factorization.

42552836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625798 (or 625796 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 42552836 is about 6523.2534827339. The cubic root of 42552836 is about 349.1211583620.

The spelling of 42552836 in words is "forty-two million, five hundred fifty-two thousand, eight hundred thirty-six".