55966464797 has 4 divisors (see below), whose sum is σ = 55970184576. Its totient is φ = 55962745020.

The previous prime is 55966464767. The next prime is 55966464817. The reversal of 55966464797 is 79746466955.

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 not a de Polignac number, because 55966464797 - 2¹² = 55966460701 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 (55966464727) 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, 1837229 + ... + 1867442.

It is an arithmetic number, because the mean of its divisors is an integer number (13992546144).

Almost surely, 2^55966464797 is an apocalyptic number.

It is an amenable number.

55966464797 is a deficient number, since it is larger than the sum of its proper divisors (3719779).

55966464797 is a wasteful number, since it uses less digits than its factorization.

55966464797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719778.

The product of its digits is 342921600, while the sum is 68.

The spelling of 55966464797 in words is "fifty-five billion, nine hundred sixty-six million, four hundred sixty-four thousand, seven hundred ninety-seven".