55246619 has 8 divisors (see below), whose sum is σ = 57812352. Its totient is φ = 52729920.

The previous prime is 55246603. The next prime is 55246643. The reversal of 55246619 is 91664255.

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 55246619 - 2⁴ = 55246603 is a prime.

It is a super-2 number, since 2×55246619² = 6104377821862322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55246649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9944 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (7226544).

Almost surely, 2^55246619 is an apocalyptic number.

55246619 is a deficient number, since it is larger than the sum of its proper divisors (2565733).

55246619 is a wasteful number, since it uses less digits than its factorization.

55246619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24517.

The product of its digits is 64800, while the sum is 38.

The square root of 55246619 is about 7432.8069395081. The cubic root of 55246619 is about 380.8628109257.

The spelling of 55246619 in words is "fifty-five million, two hundred forty-six thousand, six hundred nineteen".