55303607 has 2 divisors, whose sum is σ = 55303608. Its totient is φ = 55303606.

The previous prime is 55303603. The next prime is 55303627. The reversal of 55303607 is 70630355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55303607 - 2² = 55303603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55303607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55303603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651803 + 27651804.

It is an arithmetic number, because the mean of its divisors is an integer number (27651804).

Almost surely, 2^55303607 is an apocalyptic number.

55303607 is a deficient number, since it is larger than the sum of its proper divisors (1).

55303607 is an equidigital number, since it uses as much as digits as its factorization.

55303607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 55303607 is about 7436.6394964392. The cubic root of 55303607 is about 380.9937218099.

The spelling of 55303607 in words is "fifty-five million, three hundred three thousand, six hundred seven".