51471760 has 40 divisors (see below), whose sum is σ = 125974080. Its totient is φ = 19504512.

The previous prime is 51471743. The next prime is 51471787. The reversal of 51471760 is 6717415.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15412 + ... + 18451.

It is an arithmetic number, because the mean of its divisors is an integer number (3149352).

Almost surely, 2^51471760 is an apocalyptic number.

It is an amenable number.

51471760 is an abundant number, since it is smaller than the sum of its proper divisors (74502320).

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

51471760 is a wasteful number, since it uses less digits than its factorization.

51471760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33895 (or 33889 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 51471760 is about 7174.3822033678. The cubic root of 51471760 is about 371.9829259516.

The spelling of 51471760 in words is "fifty-one million, four hundred seventy-one thousand, seven hundred sixty".