51019468 has 12 divisors (see below), whose sum is σ = 92363040. Its totient is φ = 24630032.

The previous prime is 51019453. The next prime is 51019469. The reversal of 51019468 is 86491015.

It is a super-2 number, since 2×51019468² = 5205972230006048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51019469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219796 + ... + 220027.

It is an arithmetic number, because the mean of its divisors is an integer number (7696920).

Almost surely, 2^51019468 is an apocalyptic number.

51019468 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51019468 is a deficient number, since it is larger than the sum of its proper divisors (41343572).

51019468 is a wasteful number, since it uses less digits than its factorization.

51019468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439856 (or 439854 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 51019468 is about 7142.7913311254. The cubic root of 51019468 is about 370.8901576628.

The spelling of 51019468 in words is "fifty-one million, nineteen thousand, four hundred sixty-eight".