55945807 has 2 divisors, whose sum is σ = 55945808. Its totient is φ = 55945806.

The previous prime is 55945783. The next prime is 55945831. The reversal of 55945807 is 70854955.

It is a balanced prime because it is at equal distance from previous prime (55945783) and next prime (55945831).

It is a cyclic number.

It is not a de Polignac number, because 55945807 - 2¹¹ = 55943759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55945007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27972903 + 27972904.

It is an arithmetic number, because the mean of its divisors is an integer number (27972904).

Almost surely, 2^55945807 is an apocalyptic number.

55945807 is a deficient number, since it is larger than the sum of its proper divisors (1).

55945807 is an equidigital number, since it uses as much as digits as its factorization.

55945807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 55945807 is about 7479.6929749823. The cubic root of 55945807 is about 382.4627830564.

The spelling of 55945807 in words is "fifty-five million, nine hundred forty-five thousand, eight hundred seven".