51494795 has 16 divisors (see below), whose sum is σ = 67571712. Its totient is φ = 37361760.

The previous prime is 51494789. The next prime is 51494803. The reversal of 51494795 is 59749415.

It is not a de Polignac number, because 51494795 - 2²⁰ = 50446219 is a prime.

It is a Duffinian 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, 30134 + ... + 31796.

It is an arithmetic number, because the mean of its divisors is an integer number (4223232).

Almost surely, 2^51494795 is an apocalyptic number.

51494795 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51494795 is a deficient number, since it is larger than the sum of its proper divisors (16076917).

51494795 is a wasteful number, since it uses less digits than its factorization.

51494795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

The product of its digits is 226800, while the sum is 44.

The square root of 51494795 is about 7175.9873885062. The cubic root of 51494795 is about 372.0384084711.

The spelling of 51494795 in words is "fifty-one million, four hundred ninety-four thousand, seven hundred ninety-five".