51058224 has 120 divisors (see below), whose sum is σ = 167841440. Its totient is φ = 14193792.

The previous prime is 51058193. The next prime is 51058247. The reversal of 51058224 is 42285015.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379934 + ... + 1379970.

Almost surely, 2^51058224 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 51058224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83920720).

51058224 is an abundant number, since it is smaller than the sum of its proper divisors (116783216).

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

51058224 is an equidigital number, since it uses as much as digits as its factorization.

51058224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 51058224 is about 7145.5037611074. The cubic root of 51058224 is about 370.9840471874.

The spelling of 51058224 in words is "fifty-one million, fifty-eight thousand, two hundred twenty-four".