5648042 has 4 divisors (see below), whose sum is σ = 8472066. Its totient is φ = 2824020.

The previous prime is 5648039. The next prime is 5648047. The reversal of 5648042 is 2408465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2408465 = 5 ⋅481693.

It can be written as a sum of positive squares in only one way, i.e., 4669921 + 978121 = 2161^2 + 989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5647996 and 5648014.

It is not an unprimeable number, because it can be changed into a prime (5648047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412009 + ... + 1412012.

Almost surely, 2^5648042 is an apocalyptic number.

5648042 is a deficient number, since it is larger than the sum of its proper divisors (2824024).

5648042 is a wasteful number, since it uses less digits than its factorization.

5648042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824023.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 5648042 is about 2376.5609607161. The cubic root of 5648042 is about 178.0871727205.

The spelling of 5648042 in words is "five million, six hundred forty-eight thousand, forty-two".