5661077501 has 8 divisors (see below), whose sum is σ = 5999124600. Its totient is φ = 5332552960.

The previous prime is 5661077483. The next prime is 5661077507. The reversal of 5661077501 is 1057701665.

It can be written as a sum of positive squares in 4 ways, for example, as 820536025 + 4840541476 = 28645^2 + 69574^2 .

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 5661077501 - 2⁶ = 5661077437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661077507) 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, 2379416 + ... + 2381793.

It is an arithmetic number, because the mean of its divisors is an integer number (749890575).

Almost surely, 2^5661077501 is an apocalyptic number.

It is an amenable number.

5661077501 is a deficient number, since it is larger than the sum of its proper divisors (338047099).

5661077501 is a wasteful number, since it uses less digits than its factorization.

5661077501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761279.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 5661077501 is about 75240.1322500167. The cubic root of 5661077501 is about 1782.2407396024.

The spelling of 5661077501 in words is "five billion, six hundred sixty-one million, seventy-seven thousand, five hundred one".