55655351220442 has 4 divisors (see below), whose sum is σ = 83483026830666. Its totient is φ = 27827675610220.

The previous prime is 55655351220431. The next prime is 55655351220467. The reversal of 55655351220442 is 24402215355655.

55655351220442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40648645145641 + 15006706074801 = 6375629^2 + 3873849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13913837805109 + ... + 13913837805112.

Almost surely, 2^{55655351220442} is an apocalyptic number.

55655351220442 is a deficient number, since it is larger than the sum of its proper divisors (27827675610224).

55655351220442 is a wasteful number, since it uses less digits than its factorization.

55655351220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27827675610223.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 55655351220442 in words is "fifty-five trillion, six hundred fifty-five billion, three hundred fifty-one million, two hundred twenty thousand, four hundred forty-two".