51471722 has 16 divisors (see below), whose sum is σ = 81872640. Its totient is φ = 24200928.

The previous prime is 51471709. The next prime is 51471743. The reversal of 51471722 is 22717415.

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, 263 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (5117040).

Almost surely, 2^51471722 is an apocalyptic number.

51471722 is a deficient number, since it is larger than the sum of its proper divisors (30400918).

51471722 is a wasteful number, since it uses less digits than its factorization.

51471722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045.

The product of its digits is 3920, while the sum is 29.

The square root of 51471722 is about 7174.3795550556. The cubic root of 51471722 is about 371.9828344105.

The spelling of 51471722 in words is "fifty-one million, four hundred seventy-one thousand, seven hundred twenty-two".