55944907 has 2 divisors, whose sum is σ = 55944908. Its totient is φ = 55944906.

The previous prime is 55944893. The next prime is 55944961. The reversal of 55944907 is 70944955.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55944907 - 2¹⁵ = 55912139 is a prime.

It is not a weakly prime, because it can be changed into another prime (55944997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27972453 + 27972454.

It is an arithmetic number, because the mean of its divisors is an integer number (27972454).

Almost surely, 2^55944907 is an apocalyptic number.

55944907 is a deficient number, since it is larger than the sum of its proper divisors (1).

55944907 is an equidigital number, since it uses as much as digits as its factorization.

55944907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55944907 is about 7479.6328118431. The cubic root of 55944907 is about 382.4607321529.

It can be divided in two parts, 5594 and 4907, that added together give a palindrome (10501).

The spelling of 55944907 in words is "fifty-five million, nine hundred forty-four thousand, nine hundred seven".