55668746427 has 16 divisors (see below), whose sum is σ = 84854154240. Its totient is φ = 31801116672.

The previous prime is 55668746389. The next prime is 55668746447. The reversal of 55668746427 is 72464786655.

It is a happy number.

It is not a de Polignac number, because 55668746427 - 2¹² = 55668742331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55668746447) 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, 328243 + ... + 468060.

It is an arithmetic number, because the mean of its divisors is an integer number (5303384640).

Almost surely, 2^55668746427 is an apocalyptic number.

55668746427 is a deficient number, since it is larger than the sum of its proper divisors (29185407813).

55668746427 is a wasteful number, since it uses less digits than its factorization.

55668746427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799642.

The product of its digits is 67737600, while the sum is 60.

The spelling of 55668746427 in words is "fifty-five billion, six hundred sixty-eight million, seven hundred forty-six thousand, four hundred twenty-seven".