55145142622 has 8 divisors (see below), whose sum is σ = 82729016136. Its totient is φ = 27568803912.

The previous prime is 55145142553. The next prime is 55145142641. The reversal of 55145142622 is 22624154155.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1865368 + ... + 1894699.

It is an arithmetic number, because the mean of its divisors is an integer number (10341127017).

Almost surely, 2^55145142622 is an apocalyptic number.

55145142622 is a deficient number, since it is larger than the sum of its proper divisors (27583873514).

55145142622 is a wasteful number, since it uses less digits than its factorization.

55145142622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767402.

The product of its digits is 96000, while the sum is 37.

Adding to 55145142622 its reverse (22624154155), we get a palindrome (77769296777).

The spelling of 55145142622 in words is "fifty-five billion, one hundred forty-five million, one hundred forty-two thousand, six hundred twenty-two".