5655947397 has 8 divisors (see below), whose sum is σ = 7562872800. Its totient is φ = 3759826800.

The previous prime is 5655947393. The next prime is 5655947399. The reversal of 5655947397 is 7937495565.

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

It is not a de Polignac number, because 5655947397 - 2² = 5655947393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5655947397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655947393) 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, 2699979 + ... + 2702072.

It is an arithmetic number, because the mean of its divisors is an integer number (945359100).

Almost surely, 2^5655947397 is an apocalyptic number.

It is an amenable number.

5655947397 is a deficient number, since it is larger than the sum of its proper divisors (1906925403).

5655947397 is a wasteful number, since it uses less digits than its factorization.

5655947397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402403.

The product of its digits is 35721000, while the sum is 60.

The square root of 5655947397 is about 75206.0329827335. The cubic root of 5655947397 is about 1781.7022176470.

The spelling of 5655947397 in words is "five billion, six hundred fifty-five million, nine hundred forty-seven thousand, three hundred ninety-seven".