55267019 has 8 divisors (see below), whose sum is σ = 56090112. Its totient is φ = 54449640.

The previous prime is 55267013. The next prime is 55267021. The reversal of 55267019 is 91076255.

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 55267019 - 2²⁰ = 54218443 is a prime.

It is a super-2 number, since 2×55267019² = 6108886778292722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55267019.

It is not an unprimeable number, because it can be changed into a prime (55267013) 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, 20462 + ... + 23004.

It is an arithmetic number, because the mean of its divisors is an integer number (7011264).

Almost surely, 2^55267019 is an apocalyptic number.

55267019 is a deficient number, since it is larger than the sum of its proper divisors (823093).

55267019 is a wasteful number, since it uses less digits than its factorization.

55267019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 55267019 is about 7434.1791073393. The cubic root of 55267019 is about 380.9096834485.

The spelling of 55267019 in words is "fifty-five million, two hundred sixty-seven thousand, nineteen".