51862017 has 16 divisors (see below), whose sum is σ = 70745472. Its totient is φ = 33784320.

The previous prime is 51861961. The next prime is 51862067. The reversal of 51862017 is 71026815.

It is not a de Polignac number, because 51862017 - 2¹⁰ = 51860993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51862067) 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 in 15 ways as a sum of consecutive naturals, for example, 29713 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (4421592).

Almost surely, 2^51862017 is an apocalyptic number.

It is an amenable number.

51862017 is a deficient number, since it is larger than the sum of its proper divisors (18883455).

51862017 is a wasteful number, since it uses less digits than its factorization.

51862017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 51862017 is about 7201.5287960266. The cubic root of 51862017 is about 372.9206802324.

The spelling of 51862017 in words is "fifty-one million, eight hundred sixty-two thousand, seventeen".