51753431 has 2 divisors, whose sum is σ = 51753432. Its totient is φ = 51753430.

The previous prime is 51753367. The next prime is 51753433. The reversal of 51753431 is 13435715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51753431 - 2⁶ = 51753367 is a prime.

It is a super-2 number, since 2×51753431² = 5356835240543522, which contains 22 as substring.

Together with 51753433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51753394 and 51753403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51753433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876715 + 25876716.

It is an arithmetic number, because the mean of its divisors is an integer number (25876716).

Almost surely, 2^51753431 is an apocalyptic number.

51753431 is a deficient number, since it is larger than the sum of its proper divisors (1).

51753431 is an equidigital number, since it uses as much as digits as its factorization.

51753431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 51753431 is about 7193.9857520015. The cubic root of 51753431 is about 372.6602310531.

The spelling of 51753431 in words is "fifty-one million, seven hundred fifty-three thousand, four hundred thirty-one".