5551607 has 2 divisors, whose sum is σ = 5551608. Its totient is φ = 5551606.

The previous prime is 5551603. The next prime is 5551627. The reversal of 5551607 is 7061555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5551607 - 2² = 5551603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5551607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775803 + 2775804.

It is an arithmetic number, because the mean of its divisors is an integer number (2775804).

Almost surely, 2^5551607 is an apocalyptic number.

5551607 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551607 is an equidigital number, since it uses as much as digits as its factorization.

5551607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 5551607 is about 2356.1848399478. The cubic root of 5551607 is about 177.0677919217.

The spelling of 5551607 in words is "five million, five hundred fifty-one thousand, six hundred seven".