51888751 has 2 divisors, whose sum is σ = 51888752. Its totient is φ = 51888750.

The previous prime is 51888731. The next prime is 51888769. The reversal of 51888751 is 15788815.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51888751 - 2⁵ = 51888719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51888698 and 51888707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51888731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25944375 + 25944376.

It is an arithmetic number, because the mean of its divisors is an integer number (25944376).

Almost surely, 2^51888751 is an apocalyptic number.

51888751 is a deficient number, since it is larger than the sum of its proper divisors (1).

51888751 is an equidigital number, since it uses as much as digits as its factorization.

51888751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 43.

The square root of 51888751 is about 7203.3846905465. The cubic root of 51888751 is about 372.9847473440.

The spelling of 51888751 in words is "fifty-one million, eight hundred eighty-eight thousand, seven hundred fifty-one".