51099043 has 2 divisors, whose sum is σ = 51099044. Its totient is φ = 51099042.

The previous prime is 51099023. The next prime is 51099047. The reversal of 51099043 is 34099015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51099043 is a prime.

It is a super-2 number, since 2×51099043² = 5222224391031698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51098996 and 51099014.

It is not a weakly prime, because it can be changed into another prime (51099047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25549521 + 25549522.

It is an arithmetic number, because the mean of its divisors is an integer number (25549522).

Almost surely, 2^51099043 is an apocalyptic number.

51099043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51099043 is an equidigital number, since it uses as much as digits as its factorization.

51099043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 51099043 is about 7148.3594621423. The cubic root of 51099043 is about 371.0828831369.

The spelling of 51099043 in words is "fifty-one million, ninety-nine thousand, forty-three".