51703142 has 16 divisors (see below), whose sum is σ = 81884400. Its totient is φ = 24484464.

The previous prime is 51703139. The next prime is 51703147. The reversal of 51703142 is 24130715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51703147) 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, 11834 + ... + 15602.

It is an arithmetic number, because the mean of its divisors is an integer number (5117775).

Almost surely, 2^51703142 is an apocalyptic number.

51703142 is a deficient number, since it is larger than the sum of its proper divisors (30181258).

51703142 is an equidigital number, since it uses as much as digits as its factorization.

51703142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 51703142 is about 7190.4896912519. The cubic root of 51703142 is about 372.5394868280.

Adding to 51703142 its reverse (24130715), we get a palindrome (75833857).

The spelling of 51703142 in words is "fifty-one million, seven hundred three thousand, one hundred forty-two".