55500016010001 has 4 divisors (see below), whose sum is σ = 74000021346672. Its totient is φ = 37000010673332.

The previous prime is 55500016009969. The next prime is 55500016010003. The reversal of 55500016010001 is 10001061000555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55500016010001 - 2⁵ = 55500016009969 is a prime.

It is a super-3 number, since 3×55500016010001³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55500016010003) 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, 9250002668331 + ... + 9250002668336.

It is an arithmetic number, because the mean of its divisors is an integer number (18500005336668).

Almost surely, 2^{55500016010001} is an apocalyptic number.

It is an amenable number.

55500016010001 is a deficient number, since it is larger than the sum of its proper divisors (18500005336671).

55500016010001 is a wasteful number, since it uses less digits than its factorization.

55500016010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18500005336670.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 55500016010001 its reverse (10001061000555), we get a palindrome (65501077010556).

The spelling of 55500016010001 in words is "fifty-five trillion, five hundred billion, sixteen million, ten thousand, one".