51122395 has 8 divisors (see below), whose sum is σ = 61979904. Its totient is φ = 40475904.

The previous prime is 51122387. The next prime is 51122413. The reversal of 51122395 is 59322115.

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

It is a cyclic number.

It is not a de Polignac number, because 51122395 - 2³ = 51122387 is a prime.

It is a super-2 number, since 2×51122395² = 5226998541072050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52219 + ... + 53188.

It is an arithmetic number, because the mean of its divisors is an integer number (7747488).

Almost surely, 2^51122395 is an apocalyptic number.

51122395 is a deficient number, since it is larger than the sum of its proper divisors (10857509).

51122395 is a wasteful number, since it uses less digits than its factorization.

51122395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105509.

The product of its digits is 2700, while the sum is 28.

The square root of 51122395 is about 7149.9926573389. The cubic root of 51122395 is about 371.1394021849.

The spelling of 51122395 in words is "fifty-one million, one hundred twenty-two thousand, three hundred ninety-five".