55346819 has 8 divisors (see below), whose sum is σ = 62460720. Its totient is φ = 48580000.

The previous prime is 55346773. The next prime is 55346831. The reversal of 55346819 is 91864355.

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 55346819 - 2¹² = 55342723 is a prime.

It is a super-2 number, since 2×55346819² = 6126540746837522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55306819) 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 7 ways as a sum of consecutive naturals, for example, 86432 + ... + 87069.

It is an arithmetic number, because the mean of its divisors is an integer number (7807590).

Almost surely, 2^55346819 is an apocalyptic number.

55346819 is a deficient number, since it is larger than the sum of its proper divisors (7113901).

55346819 is a wasteful number, since it uses less digits than its factorization.

55346819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173541.

The product of its digits is 129600, while the sum is 41.

The square root of 55346819 is about 7439.5442736770. The cubic root of 55346819 is about 381.0929270004.

It can be divided in two parts, 55346 and 819, that added together give a palindrome (56165).

The spelling of 55346819 in words is "fifty-five million, three hundred forty-six thousand, eight hundred nineteen".