55001217007 has 8 divisors (see below), whose sum is σ = 60312217680. Its totient is φ = 49742031360.

The previous prime is 55001217001. The next prime is 55001217077. The reversal of 55001217007 is 70071210055.

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

It is a cyclic number.

It is not a de Polignac number, because 55001217007 - 2¹¹ = 55001214959 is a prime.

It is a super-2 number, since 2×55001217007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001217001) 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, 12951532 + ... + 12955777.

It is an arithmetic number, because the mean of its divisors is an integer number (7539027210).

Almost surely, 2^55001217007 is an apocalyptic number.

55001217007 is a deficient number, since it is larger than the sum of its proper divisors (5311000673).

55001217007 is a wasteful number, since it uses less digits than its factorization.

55001217007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25907513.

The product of its (nonzero) digits is 2450, while the sum is 28.

The spelling of 55001217007 in words is "fifty-five billion, one million, two hundred seventeen thousand, seven".