51495053 has 2 divisors, whose sum is σ = 51495054. Its totient is φ = 51495052.

The previous prime is 51495049. The next prime is 51495089. The reversal of 51495053 is 35059415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42863209 + 8631844 = 6547^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 51495053 - 2² = 51495049 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 (51495013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25747526 + 25747527.

It is an arithmetic number, because the mean of its divisors is an integer number (25747527).

Almost surely, 2^51495053 is an apocalyptic number.

It is an amenable number.

51495053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51495053 is an equidigital number, since it uses as much as digits as its factorization.

51495053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 51495053 is about 7176.0053651039. The cubic root of 51495053 is about 372.0390298009.

The spelling of 51495053 in words is "fifty-one million, four hundred ninety-five thousand, fifty-three".