55707803 has 2 divisors, whose sum is σ = 55707804. Its totient is φ = 55707802.

The previous prime is 55707787. The next prime is 55707809. The reversal of 55707803 is 30870755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55707803 - 2⁴ = 55707787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55707809) 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 as a sum of consecutive naturals, namely, 27853901 + 27853902.

It is an arithmetic number, because the mean of its divisors is an integer number (27853902).

Almost surely, 2^55707803 is an apocalyptic number.

55707803 is a deficient number, since it is larger than the sum of its proper divisors (1).

55707803 is an equidigital number, since it uses as much as digits as its factorization.

55707803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55707803 is about 7463.7660065144. The cubic root of 55707803 is about 381.9196559005.

The spelling of 55707803 in words is "fifty-five million, seven hundred seven thousand, eight hundred three".