55383019 has 8 divisors (see below), whose sum is σ = 57277440. Its totient is φ = 53495400.

The previous prime is 55383007. The next prime is 55383077. The reversal of 55383019 is 91038355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55383019 - 2¹³ = 55374827 is a prime.

It is a super-2 number, since 2×55383019² = 6134557587108722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55383079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19074 + ... + 21784.

It is an arithmetic number, because the mean of its divisors is an integer number (7159680).

Almost surely, 2^55383019 is an apocalyptic number.

55383019 is a deficient number, since it is larger than the sum of its proper divisors (1894421).

55383019 is a wasteful number, since it uses less digits than its factorization.

55383019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 55383019 is about 7441.9768207110. The cubic root of 55383019 is about 381.1759944503.

The spelling of 55383019 in words is "fifty-five million, three hundred eighty-three thousand, nineteen".