55645223350 has 12 divisors (see below), whose sum is σ = 103500115524. Its totient is φ = 22258089320.

The previous prime is 55645223341. The next prime is 55645223357. The reversal of 55645223350 is 5332254655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645223357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556452184 + ... + 556452283.

It is an arithmetic number, because the mean of its divisors is an integer number (8625009627).

Almost surely, 2^55645223350 is an apocalyptic number.

55645223350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55645223350 is a deficient number, since it is larger than the sum of its proper divisors (47854892174).

55645223350 is a wasteful number, since it uses less digits than its factorization.

55645223350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112904479 (or 1112904474 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 55645223350 in words is "fifty-five billion, six hundred forty-five million, two hundred twenty-three thousand, three hundred fifty".