51490703 has 12 divisors (see below), whose sum is σ = 59578680. Its totient is φ = 44344080.

The previous prime is 51490697. The next prime is 51490723. The reversal of 51490703 is 30709415.

It is not a de Polignac number, because 51490703 - 2¹⁰ = 51489679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51490723) 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, 8900 + ... + 13497.

It is an arithmetic number, because the mean of its divisors is an integer number (4964890).

Almost surely, 2^51490703 is an apocalyptic number.

51490703 is a deficient number, since it is larger than the sum of its proper divisors (8087977).

51490703 is a wasteful number, since it uses less digits than its factorization.

51490703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22438 (or 22427 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 51490703 is about 7175.7022652839. The cubic root of 51490703 is about 372.0285536143.

The spelling of 51490703 in words is "fifty-one million, four hundred ninety thousand, seven hundred three".