5655430620 has 144 divisors (see below), whose sum is σ = 19624550400. Its totient is φ = 1291413888.

The previous prime is 5655430531. The next prime is 5655430699. The reversal of 5655430620 is 260345565.

It is a happy number.

5655430620 is a `hidden beast` number, since 56 + 5 + 543 + 0 + 62 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2094031 + ... + 2096729.

It is an arithmetic number, because the mean of its divisors is an integer number (136281600).

Almost surely, 2^5655430620 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 5655430620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9812275200).

5655430620 is an abundant number, since it is smaller than the sum of its proper divisors (13969119780).

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

5655430620 is a wasteful number, since it uses less digits than its factorization.

5655430620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 5655430620 is about 75202.5971625980. The cubic root of 5655430620 is about 1781.6479520096.

The spelling of 5655430620 in words is "five billion, six hundred fifty-five million, four hundred thirty thousand, six hundred twenty".