51936775 has 12 divisors (see below), whose sum is σ = 70256664. Its totient is φ = 37772000.

The previous prime is 51936769. The next prime is 51936779. The reversal of 51936775 is 57763915.

51936775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51936775 - 2⁵ = 51936743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51936779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94156 + ... + 94705.

It is an arithmetic number, because the mean of its divisors is an integer number (5854722).

Almost surely, 2^51936775 is an apocalyptic number.

51936775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51936775 is a deficient number, since it is larger than the sum of its proper divisors (18319889).

51936775 is a wasteful number, since it uses less digits than its factorization.

51936775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188882 (or 188877 counting only the distinct ones).

The product of its digits is 198450, while the sum is 43.

The square root of 51936775 is about 7206.7173525815. The cubic root of 51936775 is about 373.0997799601.

The spelling of 51936775 in words is "fifty-one million, nine hundred thirty-six thousand, seven hundred seventy-five".