51083508 has 48 divisors (see below), whose sum is σ = 137773440. Its totient is φ = 14429184.

The previous prime is 51083507. The next prime is 51083519. The reversal of 51083508 is 80538015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51083507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4060 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (2870280).

Almost surely, 2^51083508 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 51083508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68886720).

51083508 is an abundant number, since it is smaller than the sum of its proper divisors (86689932).

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

51083508 is a wasteful number, since it uses less digits than its factorization.

51083508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6934 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51083508 is about 7147.2727665873. The cubic root of 51083508 is about 371.0452741033.

The spelling of 51083508 in words is "fifty-one million, eighty-three thousand, five hundred eight".