51282506 has 16 divisors (see below), whose sum is σ = 88853760. Its totient is φ = 21938880.

The previous prime is 51282503. The next prime is 51282509. The reversal of 51282506 is 60528215.

It is an interprime number because it is at equal distance from previous prime (51282503) and next prime (51282509).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51282503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68186 + ... + 68933.

It is an arithmetic number, because the mean of its divisors is an integer number (5553360).

Almost surely, 2^51282506 is an apocalyptic number.

51282506 is a deficient number, since it is larger than the sum of its proper divisors (37571254).

51282506 is a wasteful number, since it uses less digits than its factorization.

51282506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137149.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 51282506 is about 7161.1804892769. The cubic root of 51282506 is about 371.5264574216.

The spelling of 51282506 in words is "fifty-one million, two hundred eighty-two thousand, five hundred six".