55383047 has 4 divisors (see below), whose sum is σ = 55931496. Its totient is φ = 54834600.

The previous prime is 55383007. The next prime is 55383077. The reversal of 55383047 is 74038355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55383047 - 2¹⁶ = 55317511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55382998 and 55383016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274073 + ... + 274274.

It is an arithmetic number, because the mean of its divisors is an integer number (13982874).

Almost surely, 2^55383047 is an apocalyptic number.

55383047 is a deficient number, since it is larger than the sum of its proper divisors (548449).

55383047 is a wasteful number, since it uses less digits than its factorization.

55383047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548448.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55383047 is about 7441.9787019314. The cubic root of 55383047 is about 381.1760586874.

The spelling of 55383047 in words is "fifty-five million, three hundred eighty-three thousand, forty-seven".