51450053 has 2 divisors, whose sum is σ = 51450054. Its totient is φ = 51450052.

The previous prime is 51450019. The next prime is 51450067. The reversal of 51450053 is 35005415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 16957924 = 5873^2 + 4118^2 .

It is a cyclic number.

It is not a de Polignac number, because 51450053 - 2¹⁶ = 51384517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51450013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725026 + 25725027.

It is an arithmetic number, because the mean of its divisors is an integer number (25725027).

Almost surely, 2^51450053 is an apocalyptic number.

It is an amenable number.

51450053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450053 is an equidigital number, since it uses as much as digits as its factorization.

51450053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51450053 is about 7172.8692306496. The cubic root of 51450053 is about 371.9306269257.

Adding to 51450053 its reverse (35005415), we get a palindrome (86455468).

The spelling of 51450053 in words is "fifty-one million, four hundred fifty thousand, fifty-three".