55193371 has 4 divisors (see below), whose sum is σ = 55258632. Its totient is φ = 55128112.

The previous prime is 55193363. The next prime is 55193387. The reversal of 55193371 is 17339155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17339155 = 5 ⋅3467831.

It is a cyclic number.

It is not a de Polignac number, because 55193371 - 2³ = 55193363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55193321) 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, 31345 + ... + 33058.

It is an arithmetic number, because the mean of its divisors is an integer number (13814658).

Almost surely, 2^55193371 is an apocalyptic number.

55193371 is a deficient number, since it is larger than the sum of its proper divisors (65261).

55193371 is an equidigital number, since it uses as much as digits as its factorization.

55193371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65260.

The product of its digits is 14175, while the sum is 34.

The square root of 55193371 is about 7429.2241183047. The cubic root of 55193371 is about 380.7404100601.

The spelling of 55193371 in words is "fifty-five million, one hundred ninety-three thousand, three hundred seventy-one".