51196896 has 144 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 15924480.

The previous prime is 51196883. The next prime is 51196909. The reversal of 51196896 is 69869115.

It is an interprime number because it is at equal distance from previous prime (51196883) and next prime (51196909).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×51196896² = 5242244320069632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390751 + ... + 390881.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^51196896 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 51196896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77837760).

51196896 is an abundant number, since it is smaller than the sum of its proper divisors (104478624).

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

51196896 is a wasteful number, since it uses less digits than its factorization.

51196896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 218 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 51196896 is about 7155.2006261180. The cubic root of 51196896 is about 371.3196026354.

The spelling of 51196896 in words is "fifty-one million, one hundred ninety-six thousand, eight hundred ninety-six".