51422562 has 12 divisors (see below), whose sum is σ = 111415590. Its totient is φ = 17140848.

The previous prime is 51422551. The next prime is 51422611. The reversal of 51422562 is 26522415.

It can be written as a sum of positive squares in only one way, i.e., 49575681 + 1846881 = 7041^2 + 1359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428387 + ... + 1428422.

Almost surely, 2^51422562 is an apocalyptic number.

51422562 is an abundant number, since it is smaller than the sum of its proper divisors (59993028).

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

51422562 is a wasteful number, since it uses less digits than its factorization.

51422562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856817 (or 2856814 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 51422562 is about 7170.9526563770. The cubic root of 51422562 is about 371.8643712990.

Adding to 51422562 its reverse (26522415), we get a palindrome (77944977).

It can be divided in two parts, 51422 and 562, that added together give a square (51984 = 228²).

The spelling of 51422562 in words is "fifty-one million, four hundred twenty-two thousand, five hundred sixty-two".