51452077 has 2 divisors, whose sum is σ = 51452078. Its totient is φ = 51452076.

The previous prime is 51452059. The next prime is 51452083. The reversal of 51452077 is 77025415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29041321 + 22410756 = 5389^2 + 4734^2 .

It is a cyclic number.

It is not a de Polignac number, because 51452077 - 2²³ = 43063469 is a prime.

It is a super-2 number, since 2×51452077² = 5294632455227858, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51452017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25726038 + 25726039.

It is an arithmetic number, because the mean of its divisors is an integer number (25726039).

Almost surely, 2^51452077 is an apocalyptic number.

It is an amenable number.

51452077 is a deficient number, since it is larger than the sum of its proper divisors (1).

51452077 is an equidigital number, since it uses as much as digits as its factorization.

51452077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 51452077 is about 7173.0103164571. The cubic root of 51452077 is about 371.9355040034.

The spelling of 51452077 in words is "fifty-one million, four hundred fifty-two thousand, seventy-seven".