51935884 has 144 divisors (see below), whose sum is σ = 132723360. Its totient is φ = 17418240.

The previous prime is 51935879. The next prime is 51935899. The reversal of 51935884 is 48853915.

It is a super-2 number, since 2×51935884² = 5394672093722912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51935884.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476422 + ... + 476530.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 2^51935884 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 51935884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66361680).

51935884 is an abundant number, since it is smaller than the sum of its proper divisors (80787476).

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

51935884 is a wasteful number, since it uses less digits than its factorization.

51935884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 159 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 51935884 is about 7206.6555349899. The cubic root of 51935884 is about 373.0976463800.

The spelling of 51935884 in words is "fifty-one million, nine hundred thirty-five thousand, eight hundred eighty-four".