55190383 has 4 divisors (see below), whose sum is σ = 58095160. Its totient is φ = 52285608.

The previous prime is 55190357. The next prime is 55190389. The reversal of 55190383 is 38309155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38309155 = 5 ⋅7661831.

It is a cyclic number.

It is not a de Polignac number, because 55190383 - 2¹³ = 55182191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55190389) 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, 1452360 + ... + 1452397.

It is an arithmetic number, because the mean of its divisors is an integer number (14523790).

Almost surely, 2^55190383 is an apocalyptic number.

55190383 is a deficient number, since it is larger than the sum of its proper divisors (2904777).

55190383 is a wasteful number, since it uses less digits than its factorization.

55190383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904776.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 55190383 is about 7429.0230178672. The cubic root of 55190383 is about 380.7335392297.

The spelling of 55190383 in words is "fifty-five million, one hundred ninety thousand, three hundred eighty-three".