51804733 has 2 divisors, whose sum is σ = 51804734. Its totient is φ = 51804732.

The previous prime is 51804707. The next prime is 51804743. The reversal of 51804733 is 33740815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39715204 + 12089529 = 6302^2 + 3477^2 .

It is a cyclic number.

It is not a de Polignac number, because 51804733 - 2¹³ = 51796541 is a prime.

It is a super-2 number, since 2×51804733² = 5367460722402578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51804695 and 51804704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51804743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25902366 + 25902367.

It is an arithmetic number, because the mean of its divisors is an integer number (25902367).

Almost surely, 2^51804733 is an apocalyptic number.

It is an amenable number.

51804733 is a deficient number, since it is larger than the sum of its proper divisors (1).

51804733 is an equidigital number, since it uses as much as digits as its factorization.

51804733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 51804733 is about 7197.5504861029. The cubic root of 51804733 is about 372.7833269274.

The spelling of 51804733 in words is "fifty-one million, eight hundred four thousand, seven hundred thirty-three".