51282577 has 6 divisors (see below), whose sum is σ = 54124098. Its totient is φ = 48583152.

The previous prime is 51282559. The next prime is 51282599. The reversal of 51282577 is 77528215.

It can be written as a sum of positive squares in only one way, i.e., 26122321 + 25160256 = 5111^2 + 5016^2 .

It is not a de Polignac number, because 51282577 - 2²³ = 42893969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51282547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70668 + ... + 71389.

It is an arithmetic number, because the mean of its divisors is an integer number (9020683).

Almost surely, 2^51282577 is an apocalyptic number.

It is an amenable number.

51282577 is a deficient number, since it is larger than the sum of its proper divisors (2841521).

51282577 is a wasteful number, since it uses less digits than its factorization.

51282577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142095 (or 142076 counting only the distinct ones).

The product of its digits is 39200, while the sum is 37.

The square root of 51282577 is about 7161.1854465584. The cubic root of 51282577 is about 371.5266288794.

The spelling of 51282577 in words is "fifty-one million, two hundred eighty-two thousand, five hundred seventy-seven".