55000319 has 8 divisors (see below), whose sum is σ = 60129408. Its totient is φ = 49892760.

The previous prime is 55000301. The next prime is 55000357. The reversal of 55000319 is 91300055.

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 55000319 - 2¹² = 54996223 is a prime.

It is a super-2 number, since 2×55000319² = 6050070180203522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55000294 and 55000303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000369) 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, 224 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (7516176).

Almost surely, 2^55000319 is an apocalyptic number.

55000319 is a deficient number, since it is larger than the sum of its proper divisors (5129089).

55000319 is a wasteful number, since it uses less digits than its factorization.

55000319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 55000319 is about 7416.2199940401. The cubic root of 55000319 is about 380.2959813122.

The spelling of 55000319 in words is "fifty-five million, three hundred nineteen", and thus it is an aban number.