55963003 has 2 divisors, whose sum is σ = 55963004. Its totient is φ = 55963002.

The previous prime is 55962983. The next prime is 55963049. The reversal of 55963003 is 30036955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55963003 - 2²⁵ = 22408571 is a prime.

It is not a weakly prime, because it can be changed into another prime (55963403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27981501 + 27981502.

It is an arithmetic number, because the mean of its divisors is an integer number (27981502).

Almost surely, 2^55963003 is an apocalyptic number.

55963003 is a deficient number, since it is larger than the sum of its proper divisors (1).

55963003 is an equidigital number, since it uses as much as digits as its factorization.

55963003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 55963003 is about 7480.8423990885. The cubic root of 55963003 is about 382.5019647613.

Adding to 55963003 its reverse (30036955), we get a palindrome (85999958).

The spelling of 55963003 in words is "fifty-five million, nine hundred sixty-three thousand, three".