55796143 has 4 divisors (see below), whose sum is σ = 60088168. Its totient is φ = 51504120.

The previous prime is 55796099. The next prime is 55796171. The reversal of 55796143 is 34169755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34169755 = 5 ⋅6833951.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55796143 is a prime.

It is a super-2 number, since 2×55796143² = 6226419147352898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55796096 and 55796105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55796443) 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, 2145993 + ... + 2146018.

It is an arithmetic number, because the mean of its divisors is an integer number (15022042).

Almost surely, 2^55796143 is an apocalyptic number.

55796143 is a deficient number, since it is larger than the sum of its proper divisors (4292025).

55796143 is a wasteful number, since it uses less digits than its factorization.

55796143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292024.

The product of its digits is 113400, while the sum is 40.

The square root of 55796143 is about 7469.6815862525. The cubic root of 55796143 is about 382.1214287358.

The spelling of 55796143 in words is "fifty-five million, seven hundred ninety-six thousand, one hundred forty-three".