51122695 has 16 divisors (see below), whose sum is σ = 67681152. Its totient is φ = 36829440.

The previous prime is 51122693. The next prime is 51122759. The reversal of 51122695 is 59622115.

It is not a de Polignac number, because 51122695 - 2¹ = 51122693 is a prime.

It is a super-2 number, since 2×51122695² = 5227059888126050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6927 + ... + 12256.

It is an arithmetic number, because the mean of its divisors is an integer number (4230072).

Almost surely, 2^51122695 is an apocalyptic number.

51122695 is a deficient number, since it is larger than the sum of its proper divisors (16558457).

51122695 is a wasteful number, since it uses less digits than its factorization.

51122695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19242.

The product of its digits is 5400, while the sum is 31.

The square root of 51122695 is about 7150.0136363506. The cubic root of 51122695 is about 371.1401281655.

The spelling of 51122695 in words is "fifty-one million, one hundred twenty-two thousand, six hundred ninety-five".