55005005550001 has 8 divisors (see below), whose sum is σ = 59236901922240. Its totient is φ = 50773215191952.

The previous prime is 55005005549993. The next prime is 55005005550023. The reversal of 55005005550001 is 10005550050055.

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 55005005550001 - 2³ = 55005005549993 is a prime.

It is a super-2 number, since 2×55005005550001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55005005550031) 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, 25424311 + ... + 27502828.

It is an arithmetic number, because the mean of its divisors is an integer number (7404612740280).

Almost surely, 2^{55005005550001} is an apocalyptic number.

It is an amenable number.

55005005550001 is a deficient number, since it is larger than the sum of its proper divisors (4231896372239).

55005005550001 is a wasteful number, since it uses less digits than its factorization.

55005005550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53007095.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 55005005550001 in words is "fifty-five trillion, five billion, five million, five hundred fifty thousand, one".