51896787 has 12 divisors (see below), whose sum is σ = 70363800. Its totient is φ = 34023360.

The previous prime is 51896773. The next prime is 51896791. The reversal of 51896787 is 78769815.

It is not a de Polignac number, because 51896787 - 2¹⁰ = 51895763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51896797) 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, 8839 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (5863650).

Almost surely, 2^51896787 is an apocalyptic number.

51896787 is a deficient number, since it is larger than the sum of its proper divisors (18467013).

51896787 is an equidigital number, since it uses as much as digits as its factorization.

51896787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4713 counting only the distinct ones).

The product of its digits is 846720, while the sum is 51.

The square root of 51896787 is about 7203.9424622910. The cubic root of 51896787 is about 373.0040010400.

The spelling of 51896787 in words is "fifty-one million, eight hundred ninety-six thousand, seven hundred eighty-seven".