51924208 has 40 divisors (see below), whose sum is σ = 115885440. Its totient is φ = 22077120.

The previous prime is 51924203. The next prime is 51924241. The reversal of 51924208 is 80242915.

It is a super-2 number, since 2×51924208² = 5392246752854528, 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 51924208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51924203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12903 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (2897136).

Almost surely, 2^51924208 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 51924208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57942720).

51924208 is an abundant number, since it is smaller than the sum of its proper divisors (63961232).

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

51924208 is a wasteful number, since it uses less digits than its factorization.

51924208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 51924208 is about 7205.8454049473. The cubic root of 51924208 is about 373.0696848867.

The spelling of 51924208 in words is "fifty-one million, nine hundred twenty-four thousand, two hundred eight".