55500005003 has 2 divisors, whose sum is σ = 55500005004. Its totient is φ = 55500005002.

The previous prime is 55500004999. The next prime is 55500005047. The reversal of 55500005003 is 30050000555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55500005003 - 2² = 55500004999 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55500005003.

It is not a weakly prime, because it can be changed into another prime (55500005053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750002501 + 27750002502.

It is an arithmetic number, because the mean of its divisors is an integer number (27750002502).

Almost surely, 2^55500005003 is an apocalyptic number.

55500005003 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500005003 is an equidigital number, since it uses as much as digits as its factorization.

55500005003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 23.

Adding to 55500005003 its reverse (30050000555), we get a palindrome (85550005558).

The spelling of 55500005003 in words is "fifty-five billion, five hundred million, five thousand, three".