51147703 has 8 divisors (see below), whose sum is σ = 53224128. Its totient is φ = 49112544.

The previous prime is 51147697. The next prime is 51147709. The reversal of 51147703 is 30774115.

It is an interprime number because it is at equal distance from previous prime (51147697) and next prime (51147709).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51147703 - 2¹⁷ = 51016631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51147709) 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, 7776 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (6653016).

Almost surely, 2^51147703 is an apocalyptic number.

51147703 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

51147703 is a deficient number, since it is larger than the sum of its proper divisors (2076425).

51147703 is a wasteful number, since it uses less digits than its factorization.

51147703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20633.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51147703 is about 7151.7622303877. The cubic root of 51147703 is about 371.2006359257.

The spelling of 51147703 in words is "fifty-one million, one hundred forty-seven thousand, seven hundred three".