51406896 has 80 divisors (see below), whose sum is σ = 137123168. Its totient is φ = 16588800.

The previous prime is 51406891. The next prime is 51406903. The reversal of 51406896 is 69860415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51406891) 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, 283926 + ... + 284106.

Almost surely, 2^51406896 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 51406896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68561584).

51406896 is an abundant number, since it is smaller than the sum of its proper divisors (85716272).

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

51406896 is a wasteful number, since it uses less digits than its factorization.

51406896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 51406896 is about 7169.8602496841. The cubic root of 51406896 is about 371.8266043558.

The spelling of 51406896 in words is "fifty-one million, four hundred six thousand, eight hundred ninety-six".