5561507 has 16 divisors (see below), whose sum is σ = 6621120. Its totient is φ = 4572288.

The previous prime is 5561497. The next prime is 5561513. The reversal of 5561507 is 7051655.

It is not a de Polignac number, because 5561507 - 2⁶ = 5561443 is a prime.

It is a super-2 number, since 2×5561507² = 61860720222098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5561507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28133 + ... + 28329.

It is an arithmetic number, because the mean of its divisors is an integer number (413820).

Almost surely, 2^5561507 is an apocalyptic number.

5561507 is a deficient number, since it is larger than the sum of its proper divisors (1059613).

5561507 is a wasteful number, since it uses less digits than its factorization.

5561507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 5561507 is about 2358.2847580392. The cubic root of 5561507 is about 177.1729824948.

The spelling of 5561507 in words is "five million, five hundred sixty-one thousand, five hundred seven".