5655420 has 60 divisors (see below), whose sum is σ = 17746344. Its totient is φ = 1507680.

The previous prime is 5655409. The next prime is 5655439. The reversal of 5655420 is 245565.

5655420 is a `hidden beast` number, since 5 + 655 + 4 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126 + ... + 3365.

Almost surely, 2^5655420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5655420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8873172).

5655420 is an abundant number, since it is smaller than the sum of its proper divisors (12090924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5655420 is a wasteful number, since it uses less digits than its factorization.

5655420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3501 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5655420 is about 2378.1126970772. The cubic root of 5655420 is about 178.1646836792.

The spelling of 5655420 in words is "five million, six hundred fifty-five thousand, four hundred twenty".