656055231 has 8 divisors (see below), whose sum is σ = 942028080. Its totient is φ = 403726272.

The previous prime is 656055221. The next prime is 656055299. The reversal of 656055231 is 132550656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 656055231 - 2¹¹ = 656053183 is a prime.

It is a super-2 number, since 2×656055231² = 860816932244926722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656055192 and 656055201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656055221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8410926 + ... + 8411003.

It is an arithmetic number, because the mean of its divisors is an integer number (117753510).

Almost surely, 2^656055231 is an apocalyptic number.

656055231 is a deficient number, since it is larger than the sum of its proper divisors (285972849).

656055231 is a wasteful number, since it uses less digits than its factorization.

656055231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16821945.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 656055231 is about 25613.5751311682. The cubic root of 656055231 is about 868.9206816378.

The spelling of 656055231 in words is "six hundred fifty-six million, fifty-five thousand, two hundred thirty-one".