51121010 has 8 divisors (see below), whose sum is σ = 92017836. Its totient is φ = 20448400.

The previous prime is 51121009. The next prime is 51121033. The reversal of 51121010 is 1012115.

It can be written as a sum of positive squares in 2 ways, for example, as 47430769 + 3690241 = 6887^2 + 1921^2 .

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

It is a super-2 number, since 2×51121010² = 5226715326840200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120982 and 51121000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556041 + ... + 2556060.

Almost surely, 2^51121010 is an apocalyptic number.

51121010 is a deficient number, since it is larger than the sum of its proper divisors (40896826).

51121010 is a wasteful number, since it uses less digits than its factorization.

51121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5112108.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 51121010 is about 7149.8958034366. The cubic root of 51121010 is about 371.1360505376.

Adding to 51121010 its reverse (1012115), we get a palindrome (52133125).

The spelling of 51121010 in words is "fifty-one million, one hundred twenty-one thousand, ten".