51472860 has 48 divisors (see below), whose sum is σ = 144807936. Its totient is φ = 13660992.

The previous prime is 51472853. The next prime is 51472871. The reversal of 51472860 is 6827415.

51472860 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11457 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (3016832).

Almost surely, 2^51472860 is an apocalyptic number.

It is an amenable number.

51472860 is an abundant number, since it is smaller than the sum of its proper divisors (93335076).

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

51472860 is a wasteful number, since it uses less digits than its factorization.

51472860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 51472860 is about 7174.4588646113. The cubic root of 51472860 is about 371.9855758079.

The spelling of 51472860 in words is "fifty-one million, four hundred seventy-two thousand, eight hundred sixty".