51294412 has 48 divisors (see below), whose sum is σ = 99840832. Its totient is φ = 22913280.

The previous prime is 51294401. The next prime is 51294413. The reversal of 51294412 is 21449215.

It is a super-2 number, since 2×51294412² = 5262233404851488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51294413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326638 + ... + 326794.

Almost surely, 2^51294412 is an apocalyptic number.

51294412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51294412 is a deficient number, since it is larger than the sum of its proper divisors (48546420).

51294412 is a wasteful number, since it uses less digits than its factorization.

51294412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 336 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 51294412 is about 7162.0117285578. The cubic root of 51294412 is about 371.5552070029. Note that the first 3 decimals are identical.

The spelling of 51294412 in words is "fifty-one million, two hundred ninety-four thousand, four hundred twelve".