5421656 has 16 divisors (see below), whose sum is σ = 10200840. Its totient is φ = 2701440.

The previous prime is 5421653. The next prime is 5421659. The reversal of 5421656 is 6561245.

It is an interprime number because it is at equal distance from previous prime (5421653) and next prime (5421659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691 + ... + 3701.

Almost surely, 2^5421656 is an apocalyptic number.

It is an amenable number.

5421656 is a deficient number, since it is larger than the sum of its proper divisors (4779184).

5421656 is a wasteful number, since it uses less digits than its factorization.

5421656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2350 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 5421656 is about 2328.4449746558. Note that the first 3 decimals coincide. The cubic root of 5421656 is about 175.6752793569.

The spelling of 5421656 in words is "five million, four hundred twenty-one thousand, six hundred fifty-six".