55246681 has 8 divisors (see below), whose sum is σ = 65176064. Its totient is φ = 45826560.

The previous prime is 55246673. The next prime is 55246687. The reversal of 55246681 is 18664255.

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 55246681 - 2³ = 55246673 is a prime.

It is a super-2 number, since 2×55246681² = 6104391523031522, 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 55246681.

It is not an unprimeable number, because it can be changed into a prime (55246687) 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, 127080 + ... + 127513.

It is an arithmetic number, because the mean of its divisors is an integer number (8147008).

Almost surely, 2^55246681 is an apocalyptic number.

It is an amenable number.

55246681 is a deficient number, since it is larger than the sum of its proper divisors (9929383).

55246681 is a wasteful number, since it uses less digits than its factorization.

55246681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254631.

The product of its digits is 57600, while the sum is 37.

The square root of 55246681 is about 7432.8111102059. The cubic root of 55246681 is about 380.8629533989.

The spelling of 55246681 in words is "fifty-five million, two hundred forty-six thousand, six hundred eighty-one".