55841969 has 8 divisors (see below), whose sum is σ = 60032640. Its totient is φ = 51776496.

The previous prime is 55841927. The next prime is 55841971. The reversal of 55841969 is 96914855.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55841969 is a prime.

It is a super-2 number, since 2×55841969² = 6236651003593922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55841069) 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, 30374 + ... + 32159.

It is an arithmetic number, because the mean of its divisors is an integer number (7504080).

Almost surely, 2^55841969 is an apocalyptic number.

It is an amenable number.

55841969 is a deficient number, since it is larger than the sum of its proper divisors (4190671).

55841969 is a wasteful number, since it uses less digits than its factorization.

55841969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62599.

The product of its digits is 388800, while the sum is 47.

The square root of 55841969 is about 7472.7484234383. The cubic root of 55841969 is about 382.2260136516.

The spelling of 55841969 in words is "fifty-five million, eight hundred forty-one thousand, nine hundred sixty-nine".