51466477 has 2 divisors, whose sum is σ = 51466478. Its totient is φ = 51466476.

The previous prime is 51466427. The next prime is 51466507. The reversal of 51466477 is 77466415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51351556 + 114921 = 7166^2 + 339^2 .

It is a cyclic number.

It is not a de Polignac number, because 51466477 - 2¹¹ = 51464429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51466427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25733238 + 25733239.

It is an arithmetic number, because the mean of its divisors is an integer number (25733239).

Almost surely, 2^51466477 is an apocalyptic number.

It is an amenable number.

51466477 is a deficient number, since it is larger than the sum of its proper divisors (1).

51466477 is an equidigital number, since it uses as much as digits as its factorization.

51466477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 51466477 is about 7174.0140089074. The cubic root of 51466477 is about 371.9701988884.

The spelling of 51466477 in words is "fifty-one million, four hundred sixty-six thousand, four hundred seventy-seven".