51573703 has 2 divisors, whose sum is σ = 51573704. Its totient is φ = 51573702.

The previous prime is 51573667. The next prime is 51573707. The reversal of 51573703 is 30737515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51573703 - 2⁹ = 51573191 is a prime.

It is a super-2 number, since 2×51573703² = 5319693682264418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51573707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25786851 + 25786852.

It is an arithmetic number, because the mean of its divisors is an integer number (25786852).

Almost surely, 2^51573703 is an apocalyptic number.

51573703 is a deficient number, since it is larger than the sum of its proper divisors (1).

51573703 is an equidigital number, since it uses as much as digits as its factorization.

51573703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 51573703 is about 7181.4833425971. The cubic root of 51573703 is about 372.2283423892.

The spelling of 51573703 in words is "fifty-one million, five hundred seventy-three thousand, seven hundred three".