5561042 has 4 divisors (see below), whose sum is σ = 8341566. Its totient is φ = 2780520.

The previous prime is 5561041. The next prime is 5561051. The reversal of 5561042 is 2401655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4618201 + 942841 = 2149^2 + 971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5560999 and 5561017.

It is not an unprimeable number, because it can be changed into a prime (5561041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390259 + ... + 1390262.

Almost surely, 2^5561042 is an apocalyptic number.

5561042 is a deficient number, since it is larger than the sum of its proper divisors (2780524).

5561042 is a wasteful number, since it uses less digits than its factorization.

5561042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780523.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5561042 is about 2358.1861673753. The cubic root of 5561042 is about 177.1680445207.

Adding to 5561042 its reverse (2401655), we get a palindrome (7962697).

The spelling of 5561042 in words is "five million, five hundred sixty-one thousand, forty-two".