51896580 has 96 divisors (see below), whose sum is σ = 155965824. Its totient is φ = 12847104.

The previous prime is 51896561. The next prime is 51896587. The reversal of 51896580 is 8569815.

It is not an unprimeable number, because it can be changed into a prime (51896587) 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 31 ways as a sum of consecutive naturals, for example, 84354 + ... + 84966.

It is an arithmetic number, because the mean of its divisors is an integer number (1624644).

Almost surely, 2^51896580 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 51896580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77982912).

51896580 is an abundant number, since it is smaller than the sum of its proper divisors (104069244).

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

51896580 is a wasteful number, since it uses less digits than its factorization.

51896580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 51896580 is about 7203.9280951436. The cubic root of 51896580 is about 373.0035051074.

The spelling of 51896580 in words is "fifty-one million, eight hundred ninety-six thousand, five hundred eighty".