5556511001 has 8 divisors (see below), whose sum is σ = 5708609280. Its totient is φ = 5404513968.

The previous prime is 5556510991. The next prime is 5556511003. The reversal of 5556511001 is 1001156555.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556511001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5556511003) 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, 93470 + ... + 140888.

It is an arithmetic number, because the mean of its divisors is an integer number (713576160).

Almost surely, 2^5556511001 is an apocalyptic number.

It is an amenable number.

5556511001 is a deficient number, since it is larger than the sum of its proper divisors (152098279).

5556511001 is a wasteful number, since it uses less digits than its factorization.

5556511001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50623.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 5556511001 is about 74542.0082973353. The cubic root of 5556511001 is about 1771.1991407133.

Adding to 5556511001 its reverse (1001156555), we get a palindrome (6557667556).

It can be divided in two parts, 55565 and 11001, that added together give a palindrome (66566).

The spelling of 5556511001 in words is "five billion, five hundred fifty-six million, five hundred eleven thousand, one".