51456029 has 2 divisors, whose sum is σ = 51456030. Its totient is φ = 51456028.

The previous prime is 51456017. The next prime is 51456049. The reversal of 51456029 is 92065415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34456900 + 16999129 = 5870^2 + 4123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51456029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51455986 and 51456004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51456049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25728014 + 25728015.

It is an arithmetic number, because the mean of its divisors is an integer number (25728015).

Almost surely, 2^51456029 is an apocalyptic number.

It is an amenable number.

51456029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51456029 is an equidigital number, since it uses as much as digits as its factorization.

51456029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 51456029 is about 7173.2857882563. The cubic root of 51456029 is about 371.9450264662.

The spelling of 51456029 in words is "fifty-one million, four hundred fifty-six thousand, twenty-nine".