51255053 has 2 divisors, whose sum is σ = 51255054. Its totient is φ = 51255052.

The previous prime is 51255047. The next prime is 51255133. The reversal of 51255053 is 35055215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47306884 + 3948169 = 6878^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 51255053 - 2¹⁴ = 51238669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51255653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25627526 + 25627527.

It is an arithmetic number, because the mean of its divisors is an integer number (25627527).

Almost surely, 2^51255053 is an apocalyptic number.

It is an amenable number.

51255053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51255053 is an equidigital number, since it uses as much as digits as its factorization.

51255053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 51255053 is about 7159.2634397681. The cubic root of 51255053 is about 371.4601493229.

The spelling of 51255053 in words is "fifty-one million, two hundred fifty-five thousand, fifty-three".