55613003 has 2 divisors, whose sum is σ = 55613004. Its totient is φ = 55613002.

The previous prime is 55612939. The next prime is 55613009. The reversal of 55613003 is 30031655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55613003 - 2⁶ = 55612939 is a prime.

It is a super-2 number, since 2×55613003² = 6185612205356018, which contains 22 as substring.

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 55613003.

It is not a weakly prime, because it can be changed into another prime (55613009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27806501 + 27806502.

It is an arithmetic number, because the mean of its divisors is an integer number (27806502).

Almost surely, 2^55613003 is an apocalyptic number.

55613003 is a deficient number, since it is larger than the sum of its proper divisors (1).

55613003 is an equidigital number, since it uses as much as digits as its factorization.

55613003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 55613003 is about 7457.4126210101. The cubic root of 55613003 is about 381.7028906926.

Adding to 55613003 its reverse (30031655), we get a palindrome (85644658).

The spelling of 55613003 in words is "fifty-five million, six hundred thirteen thousand, three".