51780295 has 8 divisors (see below), whose sum is σ = 71013024. Its totient is φ = 35506464.

The previous prime is 51780271. The next prime is 51780343. The reversal of 51780295 is 59208715.

51780295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51780295 - 2¹¹ = 51778247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 739684 + ... + 739753.

It is an arithmetic number, because the mean of its divisors is an integer number (8876628).

Almost surely, 2^51780295 is an apocalyptic number.

51780295 is a deficient number, since it is larger than the sum of its proper divisors (19232729).

51780295 is a wasteful number, since it uses less digits than its factorization.

51780295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479449.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 51780295 is about 7195.8526249500. The cubic root of 51780295 is about 372.7246996469.

The spelling of 51780295 in words is "fifty-one million, seven hundred eighty thousand, two hundred ninety-five".