51948011 has 2 divisors, whose sum is σ = 51948012. Its totient is φ = 51948010.

The previous prime is 51947977. The next prime is 51948047. The reversal of 51948011 is 11084915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51948011 - 2¹⁰ = 51946987 is a prime.

It is a super-2 number, since 2×51948011² = 5397191693712242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51948811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25974005 + 25974006.

It is an arithmetic number, because the mean of its divisors is an integer number (25974006).

Almost surely, 2^51948011 is an apocalyptic number.

51948011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51948011 is an equidigital number, since it uses as much as digits as its factorization.

51948011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 51948011 is about 7207.4968609081. The cubic root of 51948011 is about 373.1266834843.

The spelling of 51948011 in words is "fifty-one million, nine hundred forty-eight thousand, eleven".