55150605492 has 12 divisors (see below), whose sum is σ = 128684746176. Its totient is φ = 18383535160.

The previous prime is 55150605481. The next prime is 55150605511. The reversal of 55150605492 is 29450605155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55150605492² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2297941884 + ... + 2297941907.

It is an arithmetic number, because the mean of its divisors is an integer number (10723728848).

Almost surely, 2^55150605492 is an apocalyptic number.

It is an amenable number.

55150605492 is an abundant number, since it is smaller than the sum of its proper divisors (73534140684).

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

55150605492 is a wasteful number, since it uses less digits than its factorization.

55150605492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595883798 (or 4595883796 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 55150605492 in words is "fifty-five billion, one hundred fifty million, six hundred five thousand, four hundred ninety-two".