51133882 has 8 divisors (see below), whose sum is σ = 77562900. Its totient is φ = 25279584.

The previous prime is 51133879. The next prime is 51133891. The reversal of 51133882 is 28833115.

It can be written as a sum of positive squares in 2 ways, for example, as 46635241 + 4498641 = 6829^2 + 2121^2 .

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

It is a super-2 number, since 2×51133882² = 5229347776779848, which contains 22 as substring.

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, 143457 + ... + 143812.

Almost surely, 2^51133882 is an apocalyptic number.

51133882 is a deficient number, since it is larger than the sum of its proper divisors (26429018).

51133882 is a wasteful number, since it uses less digits than its factorization.

51133882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287360.

The product of its digits is 5760, while the sum is 31.

The square root of 51133882 is about 7150.7958997583. The cubic root of 51133882 is about 371.1671979552.

Adding to 51133882 its reverse (28833115), we get a palindrome (79966997).

The spelling of 51133882 in words is "fifty-one million, one hundred thirty-three thousand, eight hundred eighty-two".