51041512 has 8 divisors (see below), whose sum is σ = 95702850. Its totient is φ = 25520752.

The previous prime is 51041509. The next prime is 51041519. The reversal of 51041512 is 21514015.

It can be written as a sum of positive squares in only one way, i.e., 31203396 + 19838116 = 5586^2 + 4454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51041512² = 5210471894492288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51041512.

It is not an unprimeable number, because it can be changed into a prime (51041519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190087 + ... + 3190102.

Almost surely, 2^51041512 is an apocalyptic number.

It is an amenable number.

51041512 is a deficient number, since it is larger than the sum of its proper divisors (44661338).

51041512 is a wasteful number, since it uses less digits than its factorization.

51041512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380195 (or 6380191 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 51041512 is about 7144.3342586976. The cubic root of 51041512 is about 370.9435668529.

Adding to 51041512 its reverse (21514015), we get a palindrome (72555527).

The spelling of 51041512 in words is "fifty-one million, forty-one thousand, five hundred twelve".