55196859 has 8 divisors (see below), whose sum is σ = 75585040. Its totient is φ = 35803296.

The previous prime is 55196819. The next prime is 55196863. The reversal of 55196859 is 95869155.

It is a happy number.

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

It is not a de Polignac number, because 55196859 - 2⁷ = 55196731 is a prime.

It is a super-3 number, since 3×55196859³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55196819) 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, 248524 + ... + 248745.

It is an arithmetic number, because the mean of its divisors is an integer number (9448130).

Almost surely, 2^55196859 is an apocalyptic number.

55196859 is a deficient number, since it is larger than the sum of its proper divisors (20388181).

55196859 is a wasteful number, since it uses less digits than its factorization.

55196859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497309.

The product of its digits is 486000, while the sum is 48.

The square root of 55196859 is about 7429.4588632013. The cubic root of 55196859 is about 380.7484303142.

The spelling of 55196859 in words is "fifty-five million, one hundred ninety-six thousand, eight hundred fifty-nine".