55145052210 has 16 divisors (see below), whose sum is σ = 132348125376. Its totient is φ = 14705347248.

The previous prime is 55145052161. The next prime is 55145052223. The reversal of 55145052210 is 1225054155.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1838168407 = 55145052210 / (5 + 5 + 1 + 4 + 5 + 0 + 5 + 2 + 2 + 1 + 0).

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 7 ways as a sum of consecutive naturals, for example, 919084174 + ... + 919084233.

It is an arithmetic number, because the mean of its divisors is an integer number (8271757836).

Almost surely, 2^55145052210 is an apocalyptic number.

55145052210 is an abundant number, since it is smaller than the sum of its proper divisors (77203073166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55145052210 is a wasteful number, since it uses less digits than its factorization.

55145052210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838168417.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 55145052210 in words is "fifty-five billion, one hundred forty-five million, fifty-two thousand, two hundred ten".