55483819 has 4 divisors (see below), whose sum is σ = 58404040. Its totient is φ = 52563600.

The previous prime is 55483817. The next prime is 55483823. The reversal of 55483819 is 91838455.

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 55483819 - 2¹ = 55483817 is a prime.

It is a super-2 number, since 2×55483819² = 6156908341649522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55483811) 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, 1460082 + ... + 1460119.

It is an arithmetic number, because the mean of its divisors is an integer number (14601010).

Almost surely, 2^55483819 is an apocalyptic number.

55483819 is a deficient number, since it is larger than the sum of its proper divisors (2920221).

55483819 is a wasteful number, since it uses less digits than its factorization.

55483819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920220.

The product of its digits is 172800, while the sum is 43.

The square root of 55483819 is about 7448.7461360957. The cubic root of 55483819 is about 381.4071077298.

The spelling of 55483819 in words is "fifty-five million, four hundred eighty-three thousand, eight hundred nineteen".