51932016 has 180 divisors, whose sum is σ = 163369752. Its totient is φ = 15956352.

The previous prime is 51931987. The next prime is 51932047. The reversal of 51932016 is 61023915.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1403550 + ... + 1403586.

Almost surely, 2^51932016 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 51932016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81684876).

51932016 is an abundant number, since it is smaller than the sum of its proper divisors (111437736).

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

51932016 is a wasteful number, since it uses less digits than its factorization.

51932016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 51932016 is about 7206.3871669513. The cubic root of 51932016 is about 373.0883838213.

The spelling of 51932016 in words is "fifty-one million, nine hundred thirty-two thousand, sixteen".