55424361 has 4 divisors (see below), whose sum is σ = 73899152. Its totient is φ = 36949572.

The previous prime is 55424351. The next prime is 55424371. The reversal of 55424361 is 16342455.

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 an interprime number because it is at equal distance from previous prime (55424351) and next prime (55424371).

It is not a de Polignac number, because 55424361 - 2¹⁴ = 55407977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55424321) 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, 9237391 + ... + 9237396.

It is an arithmetic number, because the mean of its divisors is an integer number (18474788).

Almost surely, 2^55424361 is an apocalyptic number.

It is an amenable number.

55424361 is a deficient number, since it is larger than the sum of its proper divisors (18474791).

55424361 is a wasteful number, since it uses less digits than its factorization.

55424361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18474790.

The product of its digits is 14400, while the sum is 30.

The square root of 55424361 is about 7444.7539247446. The cubic root of 55424361 is about 381.2708168872.

The spelling of 55424361 in words is "fifty-five million, four hundred twenty-four thousand, three hundred sixty-one".