51872202 has 48 divisors (see below), whose sum is σ = 119620800. Its totient is φ = 16189056.

The previous prime is 51872189. The next prime is 51872203. The reversal of 51872202 is 20227815.

It is not an unprimeable number, because it can be changed into a prime (51872203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86299 + ... + 86897.

It is an arithmetic number, because the mean of its divisors is an integer number (2492100).

Almost surely, 2^51872202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51872202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59810400).

51872202 is an abundant number, since it is smaller than the sum of its proper divisors (67748598).

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

51872202 is a wasteful number, since it uses less digits than its factorization.

51872202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 51872202 is about 7202.2359028291. The cubic root of 51872202 is about 372.9450908302.

The spelling of 51872202 in words is "fifty-one million, eight hundred seventy-two thousand, two hundred two".