51481703 has 12 divisors (see below), whose sum is σ = 64494360. Its totient is φ = 40732272.

The previous prime is 51481667. The next prime is 51481721. The reversal of 51481703 is 30718415.

It is not a de Polignac number, because 51481703 - 2⁸ = 51481447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51481733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39773 + ... + 41046.

It is an arithmetic number, because the mean of its divisors is an integer number (5374530).

Almost surely, 2^51481703 is an apocalyptic number.

51481703 is a deficient number, since it is larger than the sum of its proper divisors (13012657).

51481703 is a wasteful number, since it uses less digits than its factorization.

51481703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80846 (or 80839 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 51481703 is about 7175.0751215580. The cubic root of 51481703 is about 372.0068768721.

The spelling of 51481703 in words is "fifty-one million, four hundred eighty-one thousand, seven hundred three".