51766395 has 24 divisors (see below), whose sum is σ = 84937008. Its totient is φ = 26922240.

The previous prime is 51766381. The next prime is 51766457. The reversal of 51766395 is 59366715.

It is a happy number.

It is not a de Polignac number, because 51766395 - 2¹¹ = 51764347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24189 + ... + 26241.

It is an arithmetic number, because the mean of its divisors is an integer number (3539042).

Almost surely, 2^51766395 is an apocalyptic number.

51766395 is a deficient number, since it is larger than the sum of its proper divisors (33170613).

51766395 is a wasteful number, since it uses less digits than its factorization.

51766395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2102 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 51766395 is about 7194.8867260020. The cubic root of 51766395 is about 372.6913450218.

The spelling of 51766395 in words is "fifty-one million, seven hundred sixty-six thousand, three hundred ninety-five".