51380295 has 16 divisors (see below), whose sum is σ = 82302432. Its totient is φ = 27371520.

The previous prime is 51380279. The next prime is 51380347. The reversal of 51380295 is 59208315.

It is not a de Polignac number, because 51380295 - 2⁴ = 51380279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18519 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (5143902).

Almost surely, 2^51380295 is an apocalyptic number.

51380295 is a deficient number, since it is larger than the sum of its proper divisors (30922137).

51380295 is a wasteful number, since it uses less digits than its factorization.

51380295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 51380295 is about 7168.0049525653. The cubic root of 51380295 is about 371.7624581885.

It can be divided in two parts, 513 and 80295, that added together give a palindrome (80808).

The spelling of 51380295 in words is "fifty-one million, three hundred eighty thousand, two hundred ninety-five".