51096340 has 48 divisors (see below), whose sum is σ = 113073408. Its totient is φ = 19357184.

The previous prime is 51096337. The next prime is 51096359. The reversal of 51096340 is 4369015.

It is a super-2 number, since 2×51096340² = 5221671922791200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51096299 and 51096308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51489 + ... + 52471.

It is an arithmetic number, because the mean of its divisors is an integer number (2355696).

Almost surely, 2^51096340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51096340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56536704).

51096340 is an abundant number, since it is smaller than the sum of its proper divisors (61977068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51096340 is a wasteful number, since it uses less digits than its factorization.

51096340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 51096340 is about 7148.1703952830. The cubic root of 51096340 is about 371.0763399308.

It can be divided in two parts, 5109 and 6340, that added together give a square (11449 = 107²).

The spelling of 51096340 in words is "fifty-one million, ninety-six thousand, three hundred forty".