51830783 has 2 divisors, whose sum is σ = 51830784. Its totient is φ = 51830782.

The previous prime is 51830777. The next prime is 51830789. The reversal of 51830783 is 38703815.

It is a balanced prime because it is at equal distance from previous prime (51830777) and next prime (51830789).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51830783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51830789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25915391 + 25915392.

It is an arithmetic number, because the mean of its divisors is an integer number (25915392).

Almost surely, 2^51830783 is an apocalyptic number.

51830783 is a deficient number, since it is larger than the sum of its proper divisors (1).

51830783 is an equidigital number, since it uses as much as digits as its factorization.

51830783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 51830783 is about 7199.3599021024. The cubic root of 51830783 is about 372.8458011315.

The spelling of 51830783 in words is "fifty-one million, eight hundred thirty thousand, seven hundred eighty-three".