51382426 has 8 divisors (see below), whose sum is σ = 77107860. Its totient is φ = 25679808.

The previous prime is 51382417. The next prime is 51382433. The reversal of 51382426 is 62428315.

It can be written as a sum of positive squares in 2 ways, for example, as 36180225 + 15202201 = 6015^2 + 3899^2 .

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, 2020 + ... + 10336.

Almost surely, 2^51382426 is an apocalyptic number.

51382426 is a deficient number, since it is larger than the sum of its proper divisors (25725434).

51382426 is a wasteful number, since it uses less digits than its factorization.

51382426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408.

The product of its digits is 11520, while the sum is 31.

The square root of 51382426 is about 7168.1535976847. The cubic root of 51382426 is about 371.7675977389.

The spelling of 51382426 in words is "fifty-one million, three hundred eighty-two thousand, four hundred twenty-six".