51925120 has 96 divisors (see below), whose sum is σ = 135395820. Its totient is φ = 18929664.

The previous prime is 51925103. The next prime is 51925121. The reversal of 51925120 is 2152915.

It can be written as a sum of positive squares in 2 ways, for example, as 48330304 + 3594816 = 6952^2 + 1896^2 .

It is not an unprimeable number, because it can be changed into a prime (51925121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657241 + ... + 657319.

Almost surely, 2^51925120 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 51925120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67697910).

51925120 is an abundant number, since it is smaller than the sum of its proper divisors (83470700).

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

51925120 is an equidigital number, since it uses as much as digits as its factorization.

51925120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 51925120 is about 7205.9086866266. The cubic root of 51925120 is about 373.0718690803.

The spelling of 51925120 in words is "fifty-one million, nine hundred twenty-five thousand, one hundred twenty".