55382361 has 4 divisors (see below), whose sum is σ = 73843152. Its totient is φ = 36921572.

The previous prime is 55382339. The next prime is 55382381. The reversal of 55382361 is 16328355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55382361 - 2⁹ = 55381849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55382381) 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, 9230391 + ... + 9230396.

It is an arithmetic number, because the mean of its divisors is an integer number (18460788).

Almost surely, 2^55382361 is an apocalyptic number.

It is an amenable number.

55382361 is a deficient number, since it is larger than the sum of its proper divisors (18460791).

55382361 is a wasteful number, since it uses less digits than its factorization.

55382361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18460790.

The product of its digits is 21600, while the sum is 33.

The square root of 55382361 is about 7441.9326118959. The cubic root of 55382361 is about 381.1744848733.

The spelling of 55382361 in words is "fifty-five million, three hundred eighty-two thousand, three hundred sixty-one".