51538063 has 2 divisors, whose sum is σ = 51538064. Its totient is φ = 51538062.

The previous prime is 51538049. The next prime is 51538111. The reversal of 51538063 is 36083515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51538063 - 2¹³ = 51529871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51538043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25769031 + 25769032.

It is an arithmetic number, because the mean of its divisors is an integer number (25769032).

Almost surely, 2^51538063 is an apocalyptic number.

51538063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51538063 is an equidigital number, since it uses as much as digits as its factorization.

51538063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 51538063 is about 7179.0015322467. The cubic root of 51538063 is about 372.1425798501.

The spelling of 51538063 in words is "fifty-one million, five hundred thirty-eight thousand, sixty-three".