51672011 has 2 divisors, whose sum is σ = 51672012. Its totient is φ = 51672010.

The previous prime is 51671989. The next prime is 51672031. The reversal of 51672011 is 11027615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51672011 - 2¹⁴ = 51655627 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51672031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25836005 + 25836006.

It is an arithmetic number, because the mean of its divisors is an integer number (25836006).

Almost surely, 2^51672011 is an apocalyptic number.

51672011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51672011 is an equidigital number, since it uses as much as digits as its factorization.

51672011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 51672011 is about 7188.3246309554. The cubic root of 51672011 is about 372.4647018487.

Adding to 51672011 its reverse (11027615), we get a palindrome (62699626).

It can be divided in two parts, 516 and 72011, that added together give a palindrome (72527).

The spelling of 51672011 in words is "fifty-one million, six hundred seventy-two thousand, eleven".