55647658 has 12 divisors (see below), whose sum is σ = 91750050. Its totient is φ = 25294280.

The previous prime is 55647653. The next prime is 55647727. The reversal of 55647658 is 85674655.

55647658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 4052169 = 7183^2 + 2013^2 .

It is not an unprimeable number, because it can be changed into a prime (55647653) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 114733 + ... + 115216.

Almost surely, 2^55647658 is an apocalyptic number.

55647658 is a deficient number, since it is larger than the sum of its proper divisors (36102392).

55647658 is a wasteful number, since it uses less digits than its factorization.

55647658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229973 (or 229962 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 55647658 is about 7459.7357862058. The cubic root of 55647658 is about 381.7821597261.

The spelling of 55647658 in words is "fifty-five million, six hundred forty-seven thousand, six hundred fifty-eight".