51122342 has 8 divisors (see below), whose sum is σ = 77154456. Its totient is φ = 25404192.

The previous prime is 51122341. The next prime is 51122359. The reversal of 51122342 is 24322115.

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

It is a super-2 number, since 2×51122342² = 5226987703129928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51122341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78083 + ... + 78734.

It is an arithmetic number, because the mean of its divisors is an integer number (9644307).

Almost surely, 2^51122342 is an apocalyptic number.

51122342 is a deficient number, since it is larger than the sum of its proper divisors (26032114).

51122342 is a wasteful number, since it uses less digits than its factorization.

51122342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156982.

The product of its digits is 480, while the sum is 20.

The square root of 51122342 is about 7149.9889510404. The cubic root of 51122342 is about 371.1392739280.

Adding to 51122342 its reverse (24322115), we get a palindrome (75444457).

The spelling of 51122342 in words is "fifty-one million, one hundred twenty-two thousand, three hundred forty-two".