51042622 has 16 divisors (see below), whose sum is σ = 79515072. Its totient is φ = 24554880.

The previous prime is 51042617. The next prime is 51042631. The reversal of 51042622 is 22624015.

It is a junction number, because it is equal to n+sod(n) for n = 51042593 and 51042602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (4969692).

Almost surely, 2^51042622 is an apocalyptic number.

51042622 is a deficient number, since it is larger than the sum of its proper divisors (28472450).

51042622 is a wasteful number, since it uses less digits than its factorization.

51042622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 51042622 is about 7144.4119422105. The cubic root of 51042622 is about 370.9462558039.

Adding to 51042622 its reverse (22624015), we get a palindrome (73666637).

The spelling of 51042622 in words is "fifty-one million, forty-two thousand, six hundred twenty-two".