51675653 has 2 divisors, whose sum is σ = 51675654. Its totient is φ = 51675652.

The previous prime is 51675647. The next prime is 51675671. The reversal of 51675653 is 35657615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51008164 + 667489 = 7142^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 51675653 - 2¹⁴ = 51659269 is a prime.

It is a super-2 number, since 2×51675653² = 5340746225952818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51675353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25837826 + 25837827.

It is an arithmetic number, because the mean of its divisors is an integer number (25837827).

Almost surely, 2^51675653 is an apocalyptic number.

It is an amenable number.

51675653 is a deficient number, since it is larger than the sum of its proper divisors (1).

51675653 is an equidigital number, since it uses as much as digits as its factorization.

51675653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 51675653 is about 7188.5779539489. The cubic root of 51675653 is about 372.4734524569.

The spelling of 51675653 in words is "fifty-one million, six hundred seventy-five thousand, six hundred fifty-three".