55196071 has 4 divisors (see below), whose sum is σ = 63081232. Its totient is φ = 47310912.

The previous prime is 55196041. The next prime is 55196081. The reversal of 55196071 is 17069155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17069155 = 5 ⋅3413831.

It is a cyclic number.

It is not a de Polignac number, because 55196071 - 2⁹ = 55195559 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 (55196041) 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, 3942570 + ... + 3942583.

It is an arithmetic number, because the mean of its divisors is an integer number (15770308).

Almost surely, 2^55196071 is an apocalyptic number.

55196071 is a deficient number, since it is larger than the sum of its proper divisors (7885161).

55196071 is an equidigital number, since it uses as much as digits as its factorization.

55196071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885160.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 55196071 is about 7429.4058308858. The cubic root of 55196071 is about 380.7466184286.

The spelling of 55196071 in words is "fifty-five million, one hundred ninety-six thousand, seventy-one".