51326016 has 56 divisors (see below), whose sum is σ = 155204160. Its totient is φ = 14664192.

The previous prime is 51325997. The next prime is 51326017. The reversal of 51326016 is 61062315.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51326017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17751 + ... + 20438.

Almost surely, 2^51326016 is an apocalyptic number.

51326016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51326016 is an abundant number, since it is smaller than the sum of its proper divisors (103878144).

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

51326016 is a wasteful number, since it uses less digits than its factorization.

51326016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38211 (or 38201 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51326016 is about 7164.2177521346. The cubic root of 51326016 is about 371.6315000432.

The spelling of 51326016 in words is "fifty-one million, three hundred twenty-six thousand, sixteen".