51803099 has 2 divisors, whose sum is σ = 51803100. Its totient is φ = 51803098.

The previous prime is 51803053. The next prime is 51803113. The reversal of 51803099 is 99030815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51803099 - 2⁸ = 51802843 is a prime.

It is a super-2 number, since 2×51803099² = 5367122132007602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51803009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25901549 + 25901550.

It is an arithmetic number, because the mean of its divisors is an integer number (25901550).

Almost surely, 2^51803099 is an apocalyptic number.

51803099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51803099 is an equidigital number, since it uses as much as digits as its factorization.

51803099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 51803099 is about 7197.4369743680. The cubic root of 51803099 is about 372.7794075020.

The spelling of 51803099 in words is "fifty-one million, eight hundred three thousand, ninety-nine".