51473677 has 2 divisors, whose sum is σ = 51473678. Its totient is φ = 51473676.

The previous prime is 51473663. The next prime is 51473693. The reversal of 51473677 is 77637415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33884041 + 17589636 = 5821^2 + 4194^2 .

It is a cyclic number.

It is not a de Polignac number, because 51473677 - 2¹⁹ = 50949389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51473657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25736838 + 25736839.

It is an arithmetic number, because the mean of its divisors is an integer number (25736839).

Almost surely, 2^51473677 is an apocalyptic number.

It is an amenable number.

51473677 is a deficient number, since it is larger than the sum of its proper divisors (1).

51473677 is an equidigital number, since it uses as much as digits as its factorization.

51473677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 40.

The square root of 51473677 is about 7174.5158024775. The cubic root of 51473677 is about 371.9875439040.

The spelling of 51473677 in words is "fifty-one million, four hundred seventy-three thousand, six hundred seventy-seven".