55503703 has 2 divisors, whose sum is σ = 55503704. Its totient is φ = 55503702.

The previous prime is 55503697. The next prime is 55503751. The reversal of 55503703 is 30730555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55503703 - 2¹³ = 55495511 is a prime.

It is a super-2 number, since 2×55503703² = 6161322093424418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55501703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751851 + 27751852.

It is an arithmetic number, because the mean of its divisors is an integer number (27751852).

Almost surely, 2^55503703 is an apocalyptic number.

55503703 is a deficient number, since it is larger than the sum of its proper divisors (1).

55503703 is an equidigital number, since it uses as much as digits as its factorization.

55503703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 55503703 is about 7450.0807378175. The cubic root of 55503703 is about 381.4526645142.

The spelling of 55503703 in words is "fifty-five million, five hundred three thousand, seven hundred three".