5561177903 has 8 divisors (see below), whose sum is σ = 5636275200. Its totient is φ = 5486198328.

The previous prime is 5561177899. The next prime is 5561177939. The reversal of 5561177903 is 3097711655.

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 5561177903 - 2² = 5561177899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561177983) 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, 67838 + ... + 125396.

It is an arithmetic number, because the mean of its divisors is an integer number (704534400).

Almost surely, 2^5561177903 is an apocalyptic number.

5561177903 is a deficient number, since it is larger than the sum of its proper divisors (75097297).

5561177903 is a wasteful number, since it uses less digits than its factorization.

5561177903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58861.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 5561177903 is about 74573.3055657318. The cubic root of 5561177903 is about 1771.6948774378.

The spelling of 5561177903 in words is "five billion, five hundred sixty-one million, one hundred seventy-seven thousand, nine hundred three".