55450023703072 has 24 divisors (see below), whose sum is σ = 109317395468736. Its totient is φ = 27686875647552.

The previous prime is 55450023703057. The next prime is 55450023703079. The reversal of 55450023703072 is 27030732005455.

It is a super-3 number, since 3×55450023703072³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55450023703079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191732748 + ... + 1191779275.

It is an arithmetic number, because the mean of its divisors is an integer number (4554891477864).

Almost surely, 2^{55450023703072} is an apocalyptic number.

It is an amenable number.

55450023703072 is a deficient number, since it is larger than the sum of its proper divisors (53867371765664).

55450023703072 is a wasteful number, since it uses less digits than its factorization.

55450023703072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383512760 (or 2383512752 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 43.

The spelling of 55450023703072 in words is "fifty-five trillion, four hundred fifty billion, twenty-three million, seven hundred three thousand, seventy-two".