51708105 has 16 divisors (see below), whose sum is σ = 91925760. Its totient is φ = 27577584.

The previous prime is 51708091. The next prime is 51708113. The reversal of 51708105 is 50180715.

It is not a de Polignac number, because 51708105 - 2⁷ = 51707977 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 191377 + ... + 191646.

It is an arithmetic number, because the mean of its divisors is an integer number (5745360).

Almost surely, 2^51708105 is an apocalyptic number.

It is an amenable number.

51708105 is a deficient number, since it is larger than the sum of its proper divisors (40217655).

51708105 is a wasteful number, since it uses less digits than its factorization.

51708105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383037 (or 383031 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 51708105 is about 7190.8347915941. The cubic root of 51708105 is about 372.5514065054.

The spelling of 51708105 in words is "fifty-one million, seven hundred eight thousand, one hundred five".