5656615 has 4 divisors (see below), whose sum is σ = 6787944. Its totient is φ = 4525288.

The previous prime is 5656603. The next prime is 5656619. The reversal of 5656615 is 5166565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5166565 = 5 ⋅1033313.

It is a cyclic number.

It is not a de Polignac number, because 5656615 - 2¹¹ = 5654567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565657 + ... + 565666.

It is an arithmetic number, because the mean of its divisors is an integer number (1696986).

Almost surely, 2^5656615 is an apocalyptic number.

5656615 is a deficient number, since it is larger than the sum of its proper divisors (1131329).

5656615 is a wasteful number, since it uses less digits than its factorization.

5656615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131328.

The product of its digits is 27000, while the sum is 34.

The square root of 5656615 is about 2378.3639334635. The cubic root of 5656615 is about 178.1772316304.

The spelling of 5656615 in words is "five million, six hundred fifty-six thousand, six hundred fifteen".