51290053 has 2 divisors, whose sum is σ = 51290054. Its totient is φ = 51290052.

The previous prime is 51290047. The next prime is 51290119. The reversal of 51290053 is 35009215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 6640929 = 6682^2 + 2577^2 .

It is a cyclic number.

It is not a de Polignac number, because 51290053 - 2⁵ = 51290021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51290453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25645026 + 25645027.

It is an arithmetic number, because the mean of its divisors is an integer number (25645027).

Almost surely, 2^51290053 is an apocalyptic number.

It is an amenable number.

51290053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51290053 is an equidigital number, since it uses as much as digits as its factorization.

51290053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 51290053 is about 7161.7074081534. The cubic root of 51290053 is about 371.5446817821.

Adding to 51290053 its reverse (35009215), we get a palindrome (86299268).

The spelling of 51290053 in words is "fifty-one million, two hundred ninety thousand, fifty-three".