51454422 has 12 divisors (see below), whose sum is σ = 111484620. Its totient is φ = 17151468.

The previous prime is 51454411. The next prime is 51454423. The reversal of 51454422 is 22445415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51454423) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1429272 + ... + 1429307.

It is an arithmetic number, because the mean of its divisors is an integer number (9290385).

Almost surely, 2^51454422 is an apocalyptic number.

51454422 is an abundant number, since it is smaller than the sum of its proper divisors (60030198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51454422 is a wasteful number, since it uses less digits than its factorization.

51454422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858587 (or 2858584 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 51454422 is about 7173.1737745575. The cubic root of 51454422 is about 371.9411544102.

Adding to 51454422 its reverse (22445415), we get a palindrome (73899837).

The spelling of 51454422 in words is "fifty-one million, four hundred fifty-four thousand, four hundred twenty-two".