655546430 has 32 divisors (see below), whose sum is σ = 1471150080. Its totient is φ = 204325920.

The previous prime is 655546399. The next prime is 655546439. The reversal of 655546430 is 34645556.

It is a happy number.

655546430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×655546430² = 859482243771489800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655546439) 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, 424910 + ... + 426449.

It is an arithmetic number, because the mean of its divisors is an integer number (45973440).

Almost surely, 2^655546430 is an apocalyptic number.

655546430 is an abundant number, since it is smaller than the sum of its proper divisors (815603650).

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

655546430 is a wasteful number, since it uses less digits than its factorization.

655546430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851384.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 655546430 is about 25603.6409520209. The cubic root of 655546430 is about 868.6959942275.

The spelling of 655546430 in words is "six hundred fifty-five million, five hundred forty-six thousand, four hundred thirty".