51854860 has 24 divisors (see below), whose sum is σ = 109252080. Its totient is φ = 20673984.

The previous prime is 51854839. The next prime is 51854863. The reversal of 51854860 is 6845815.

51854860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (51854863) 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 7 ways as a sum of consecutive naturals, for example, 2251 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (4552170).

Almost surely, 2^51854860 is an apocalyptic number.

It is an amenable number.

51854860 is an abundant number, since it is smaller than the sum of its proper divisors (57397220).

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

51854860 is a wasteful number, since it uses less digits than its factorization.

51854860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 51854860 is about 7201.0318705030. The cubic root of 51854860 is about 372.9035249921.

The spelling of 51854860 in words is "fifty-one million, eight hundred fifty-four thousand, eight hundred sixty".