51926916 has 48 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 16200096.

The previous prime is 51926887. The next prime is 51926957. The reversal of 51926916 is 61962915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10971 + ... + 14973.

It is an arithmetic number, because the mean of its divisors is an integer number (2690688).

Almost surely, 2^51926916 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 51926916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64576512).

51926916 is an abundant number, since it is smaller than the sum of its proper divisors (77226108).

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

51926916 is a wasteful number, since it uses less digits than its factorization.

51926916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080 (or 4078 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 51926916 is about 7206.0333055017. The cubic root of 51926916 is about 373.0761703340.

The spelling of 51926916 in words is "fifty-one million, nine hundred twenty-six thousand, nine hundred sixteen".