51123514 has 12 divisors (see below), whose sum is σ = 83038446. Its totient is φ = 23595312.

The previous prime is 51123511. The next prime is 51123599. The reversal of 51123514 is 41532115.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35796289 + 15327225 = 5983^2 + 3915^2 .

It is a super-2 number, since 2×51123514² = 5227227367416392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51123511) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 75289 + ... + 75964.

Almost surely, 2^51123514 is an apocalyptic number.

51123514 is a deficient number, since it is larger than the sum of its proper divisors (31914932).

51123514 is a wasteful number, since it uses less digits than its factorization.

51123514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151281 (or 151268 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 51123514 is about 7150.0709087393. The cubic root of 51123514 is about 371.1421100781.

Adding to 51123514 its reverse (41532115), we get a palindrome (92655629).

It can be divided in two parts, 511 and 23514, that added together give a square (24025 = 155²).

The spelling of 51123514 in words is "fifty-one million, one hundred twenty-three thousand, five hundred fourteen".