51573377 has 2 divisors, whose sum is σ = 51573378. Its totient is φ = 51573376.

The previous prime is 51573373. The next prime is 51573443. The reversal of 51573377 is 77337515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37503376 + 14070001 = 6124^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 51573377 - 2² = 51573373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51573377.

It is not a weakly prime, because it can be changed into another prime (51573371) 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, 25786688 + 25786689.

It is an arithmetic number, because the mean of its divisors is an integer number (25786689).

Almost surely, 2^51573377 is an apocalyptic number.

It is an amenable number.

51573377 is a deficient number, since it is larger than the sum of its proper divisors (1).

51573377 is an equidigital number, since it uses as much as digits as its factorization.

51573377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77175, while the sum is 38.

The square root of 51573377 is about 7181.4606453005. The cubic root of 51573377 is about 372.2275580962.

The spelling of 51573377 in words is "fifty-one million, five hundred seventy-three thousand, three hundred seventy-seven".