55197683 has 4 divisors (see below), whose sum is σ = 55217880. Its totient is φ = 55177488.

The previous prime is 55197671. The next prime is 55197697. The reversal of 55197683 is 38679155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55197683 - 2¹⁴ = 55181299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55197383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (13804470).

Almost surely, 2^55197683 is an apocalyptic number.

55197683 is a deficient number, since it is larger than the sum of its proper divisors (20197).

55197683 is a wasteful number, since it uses less digits than its factorization.

55197683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196.

The product of its digits is 226800, while the sum is 44.

The square root of 55197683 is about 7429.5143179080. The cubic root of 55197683 is about 380.7503249579.

The spelling of 55197683 in words is "fifty-five million, one hundred ninety-seven thousand, six hundred eighty-three".