51103579 has 2 divisors, whose sum is σ = 51103580. Its totient is φ = 51103578.

The previous prime is 51103571. The next prime is 51103583. The reversal of 51103579 is 97530115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51103579 - 2³ = 51103571 is a prime.

It is a super-2 number, since 2×51103579² = 5223151573218482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51103579.

It is not a weakly prime, because it can be changed into another prime (51103571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25551789 + 25551790.

It is an arithmetic number, because the mean of its divisors is an integer number (25551790).

Almost surely, 2^51103579 is an apocalyptic number.

51103579 is a deficient number, since it is larger than the sum of its proper divisors (1).

51103579 is an equidigital number, since it uses as much as digits as its factorization.

51103579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 51103579 is about 7148.6767306964. The cubic root of 51103579 is about 371.0938630044.

The spelling of 51103579 in words is "fifty-one million, one hundred three thousand, five hundred seventy-nine".