51546163 has 2 divisors, whose sum is σ = 51546164. Its totient is φ = 51546162.

The previous prime is 51546133. The next prime is 51546181. The reversal of 51546163 is 36164515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51546163 - 2¹³ = 51537971 is a prime.

It is not a weakly prime, because it can be changed into another prime (51546133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25773081 + 25773082.

It is an arithmetic number, because the mean of its divisors is an integer number (25773082).

Almost surely, 2^51546163 is an apocalyptic number.

51546163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51546163 is an equidigital number, since it uses as much as digits as its factorization.

51546163 is an evil number, because the sum of its binary digits is even.

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

The square root of 51546163 is about 7179.5656553861. The cubic root of 51546163 is about 372.1620748073.

It can be divided in two parts, 515461 and 63, that added together give a square (515524 = 718²).

The spelling of 51546163 in words is "fifty-one million, five hundred forty-six thousand, one hundred sixty-three".