51842722 has 8 divisors (see below), whose sum is σ = 77819472. Its totient is φ = 25902900.

The previous prime is 51842719. The next prime is 51842731. The reversal of 51842722 is 22724815.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (9727434).

Almost surely, 2^51842722 is an apocalyptic number.

51842722 is a deficient number, since it is larger than the sum of its proper divisors (25976750).

51842722 is a wasteful number, since it uses less digits than its factorization.

51842722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18464.

The product of its digits is 8960, while the sum is 31.

The square root of 51842722 is about 7200.1890252965. The cubic root of 51842722 is about 372.8744267475.

It can be divided in two parts, 51842 and 722, that multiplied together give a square (37429924 = 6118²).

The spelling of 51842722 in words is "fifty-one million, eight hundred forty-two thousand, seven hundred twenty-two".