55430656 has 20 divisors (see below), whose sum is σ = 110754072. Its totient is φ = 27715072.

The previous prime is 55430653. The next prime is 55430671. The reversal of 55430656 is 65603455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430651) 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 as a sum of consecutive naturals, namely, 53620 + ... + 54643.

Almost surely, 2^55430656 is an apocalyptic number.

It is an amenable number.

55430656 is a deficient number, since it is larger than the sum of its proper divisors (55323416).

55430656 is an equidigital number, since it uses as much as digits as its factorization.

55430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108281 (or 108265 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 55430656 is about 7445.1766936722. The cubic root of 55430656 is about 381.2852510270.

The spelling of 55430656 in words is "fifty-five million, four hundred thirty thousand, six hundred fifty-six".