55133344135250 has 32 divisors (see below), whose sum is σ = 103497112368000. Its totient is φ = 21991907708400.

The previous prime is 55133344135217. The next prime is 55133344135267. The reversal of 55133344135250 is 5253144333155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307059800 + ... + 307239299.

It is an arithmetic number, because the mean of its divisors is an integer number (3234284761500).

Almost surely, 2^{55133344135250} is an apocalyptic number.

55133344135250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55133344135250 is a deficient number, since it is larger than the sum of its proper divisors (48363768232750).

55133344135250 is a wasteful number, since it uses less digits than its factorization.

55133344135250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614299475 (or 614299465 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 55133344135250 in words is "fifty-five trillion, one hundred thirty-three billion, three hundred forty-four million, one hundred thirty-five thousand, two hundred fifty".