51470880 has 96 divisors (see below), whose sum is σ = 163404864. Its totient is φ = 13618176.

The previous prime is 51470843. The next prime is 51470899. The reversal of 51470880 is 8807415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75019 + ... + 75701.

It is an arithmetic number, because the mean of its divisors is an integer number (1702134).

Almost surely, 2^51470880 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 51470880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81702432).

51470880 is an abundant number, since it is smaller than the sum of its proper divisors (111933984).

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

51470880 is a wasteful number, since it uses less digits than its factorization.

51470880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 51470880 is about 7174.3208737831. The cubic root of 51470880 is about 371.9808060394.

The spelling of 51470880 in words is "fifty-one million, four hundred seventy thousand, eight hundred eighty".