5550100004561 has 4 divisors (see below), whose sum is σ = 6342971433792. Its totient is φ = 4757228575332.

The previous prime is 5550100004539. The next prime is 5550100004587. The reversal of 5550100004561 is 1654000010555.

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 a de Polignac number, because none of the positive numbers 2^k-5550100004561 is a prime.

It is a super-2 number, since 2×5550100004561² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5550100004261) 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, 396435714605 + ... + 396435714618.

It is an arithmetic number, because the mean of its divisors is an integer number (1585742858448).

Almost surely, 2^{5550100004561} is an apocalyptic number.

It is an amenable number.

5550100004561 is a deficient number, since it is larger than the sum of its proper divisors (792871429231).

5550100004561 is an equidigital number, since it uses as much as digits as its factorization.

5550100004561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792871429230.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 5550100004561 in words is "five trillion, five hundred fifty billion, one hundred million, four thousand, five hundred sixty-one".