5551243007 has 2 divisors, whose sum is σ = 5551243008. Its totient is φ = 5551243006.

The previous prime is 5551243003. The next prime is 5551243043. The reversal of 5551243007 is 7003421555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5551243007 - 2² = 5551243003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551243001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775621503 + 2775621504.

It is an arithmetic number, because the mean of its divisors is an integer number (2775621504).

Almost surely, 2^5551243007 is an apocalyptic number.

5551243007 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551243007 is an equidigital number, since it uses as much as digits as its factorization.

5551243007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5551243007 is about 74506.6641784478. The cubic root of 5551243007 is about 1770.6392200050.

The spelling of 5551243007 in words is "five billion, five hundred fifty-one million, two hundred forty-three thousand, seven".