51383722 has 8 divisors (see below), whose sum is σ = 83004516. Its totient is φ = 23715552.

The previous prime is 51383711. The next prime is 51383747. The reversal of 51383722 is 22738315.

It can be written as a sum of positive squares in 2 ways, for example, as 42497361 + 8886361 = 6519^2 + 2981^2 .

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, 988123 + ... + 988174.

Almost surely, 2^51383722 is an apocalyptic number.

51383722 is a deficient number, since it is larger than the sum of its proper divisors (31620794).

51383722 is a wasteful number, since it uses less digits than its factorization.

51383722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976312.

The product of its digits is 10080, while the sum is 31.

The square root of 51383722 is about 7168.2439969633. The cubic root of 51383722 is about 371.7707233650.

The spelling of 51383722 in words is "fifty-one million, three hundred eighty-three thousand, seven hundred twenty-two".