51357880 has 48 divisors (see below), whose sum is σ = 134426520. Its totient is φ = 17607744.

The previous prime is 51357853. The next prime is 51357881. The reversal of 51357880 is 8875315.

51357880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51357881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11142 + ... + 15061.

Almost surely, 2^51357880 is an apocalyptic number.

It is an amenable number.

51357880 is an abundant number, since it is smaller than the sum of its proper divisors (83068640).

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

51357880 is a wasteful number, since it uses less digits than its factorization.

51357880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26228 (or 26217 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 51357880 is about 7166.4412367646. The cubic root of 51357880 is about 371.7083890323.

The spelling of 51357880 in words is "fifty-one million, three hundred fifty-seven thousand, eight hundred eighty".