51683005 has 16 divisors (see below), whose sum is σ = 67811904. Its totient is φ = 37502080.

The previous prime is 51682963. The next prime is 51683011. The reversal of 51683005 is 50038615.

It is not a de Polignac number, because 51683005 - 2⁷ = 51682877 is a prime.

It is a super-2 number, since 2×51683005² = 5342266011660050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33174 + ... + 34696.

It is an arithmetic number, because the mean of its divisors is an integer number (4238244).

Almost surely, 2^51683005 is an apocalyptic number.

51683005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51683005 is a deficient number, since it is larger than the sum of its proper divisors (16128899).

51683005 is a wasteful number, since it uses less digits than its factorization.

51683005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51683005 is about 7189.0893025473. The cubic root of 51683005 is about 372.4911158039.

It can be divided in two parts, 516 and 83005, that added together give a 4-th power (83521 = 17⁴).

The spelling of 51683005 in words is "fifty-one million, six hundred eighty-three thousand, five".