5591901551 has 8 divisors (see below), whose sum is σ = 5796244608. Its totient is φ = 5389056000.

The previous prime is 5591901517. The next prime is 5591901559. The reversal of 5591901551 is 1551091955.

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 5591901551 - 2¹⁸ = 5591639407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5591901499 and 5591901508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591901559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366770 + ... + 381711.

It is an arithmetic number, because the mean of its divisors is an integer number (724530576).

Almost surely, 2^5591901551 is an apocalyptic number.

5591901551 is a deficient number, since it is larger than the sum of its proper divisors (204343057).

5591901551 is a wasteful number, since it uses less digits than its factorization.

5591901551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748753.

The product of its (nonzero) digits is 50625, while the sum is 41.

The square root of 5591901551 is about 74779.0181200582. The cubic root of 5591901551 is about 1774.9515613046.

The spelling of 5591901551 in words is "five billion, five hundred ninety-one million, nine hundred one thousand, five hundred fifty-one".