51322662 has 24 divisors (see below), whose sum is σ = 111416760. Its totient is φ = 17074080.

The previous prime is 51322627. The next prime is 51322681. The reversal of 51322662 is 26622315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7737 + ... + 12747.

It is an arithmetic number, because the mean of its divisors is an integer number (4642365).

Almost surely, 2^51322662 is an apocalyptic number.

51322662 is an abundant number, since it is smaller than the sum of its proper divisors (60094098).

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

51322662 is a wasteful number, since it uses less digits than its factorization.

51322662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5585 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 51322662 is about 7163.9836683231. The cubic root of 51322662 is about 371.6234048684.

Adding to 51322662 its reverse (26622315), we get a palindrome (77944977).

It can be divided in two parts, 51322 and 662, that added together give a square (51984 = 228²).

The spelling of 51322662 in words is "fifty-one million, three hundred twenty-two thousand, six hundred sixty-two".