51022608 has 80 divisors (see below), whose sum is σ = 162239616. Its totient is φ = 13455360.

The previous prime is 51022607. The next prime is 51022637. The reversal of 51022608 is 80622015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51022603) 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, 1473 + ... + 10208.

Almost surely, 2^51022608 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 51022608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81119808).

51022608 is an abundant number, since it is smaller than the sum of its proper divisors (111217008).

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

51022608 is a wasteful number, since it uses less digits than its factorization.

51022608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11706 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 51022608 is about 7143.0111297687. The cubic root of 51022608 is about 370.8977663349.

The spelling of 51022608 in words is "fifty-one million, twenty-two thousand, six hundred eight".