55945783 has 2 divisors, whose sum is σ = 55945784. Its totient is φ = 55945782.

The previous prime is 55945741. The next prime is 55945807. The reversal of 55945783 is 38754955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55945783 - 2¹³ = 55937591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55945733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27972891 + 27972892.

It is an arithmetic number, because the mean of its divisors is an integer number (27972892).

Almost surely, 2^55945783 is an apocalyptic number.

55945783 is a deficient number, since it is larger than the sum of its proper divisors (1).

55945783 is an equidigital number, since it uses as much as digits as its factorization.

55945783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 46.

The square root of 55945783 is about 7479.6913706382. The cubic root of 55945783 is about 382.4627283660.

The spelling of 55945783 in words is "fifty-five million, nine hundred forty-five thousand, seven hundred eighty-three".