54070889217 has 8 divisors (see below), whose sum is σ = 72613185120. Its totient is φ = 35787926400.

The previous prime is 54070889203. The next prime is 54070889227. The reversal of 54070889217 is 71298807045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54070889217 is a prime.

It is a super-2 number, since 2×54070889217² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54070889217.

It is not an unprimeable number, because it can be changed into a prime (54070889227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64832784 + ... + 64833617.

It is an arithmetic number, because the mean of its divisors is an integer number (9076648140).

Almost surely, 2^54070889217 is an apocalyptic number.

It is an amenable number.

54070889217 is a deficient number, since it is larger than the sum of its proper divisors (18542295903).

54070889217 is a wasteful number, since it uses less digits than its factorization.

54070889217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129666543.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 54070889217 in words is "fifty-four billion, seventy million, eight hundred eighty-nine thousand, two hundred seventeen".