55967799 has 8 divisors (see below), whose sum is σ = 74768512. Its totient is φ = 37239480.

The previous prime is 55967789. The next prime is 55967833. The reversal of 55967799 is 99776955.

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

It is not a de Polignac number, because 55967799 - 2⁴ = 55967783 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 (55967789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16267 + ... + 19404.

It is an arithmetic number, because the mean of its divisors is an integer number (9346064).

Almost surely, 2^55967799 is an apocalyptic number.

55967799 is a deficient number, since it is larger than the sum of its proper divisors (18800713).

55967799 is a wasteful number, since it uses less digits than its factorization.

55967799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36197.

The product of its digits is 5358150, while the sum is 57.

The square root of 55967799 is about 7481.1629443556. The cubic root of 55967799 is about 382.5128911884.

The spelling of 55967799 in words is "fifty-five million, nine hundred sixty-seven thousand, seven hundred ninety-nine".