51726228 has 48 divisors (see below), whose sum is σ = 125368320. Its totient is φ = 16581600.

The previous prime is 51726221. The next prime is 51726271. The reversal of 51726228 is 82262715.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51726221) 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, 78163 + ... + 78821.

It is an arithmetic number, because the mean of its divisors is an integer number (2611840).

Almost surely, 2^51726228 is an apocalyptic number.

It is an amenable number.

51726228 is an abundant number, since it is smaller than the sum of its proper divisors (73642092).

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

51726228 is a wasteful number, since it uses less digits than its factorization.

51726228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 51726228 is about 7192.0948269611. The cubic root of 51726228 is about 372.5949261850.

The spelling of 51726228 in words is "fifty-one million, seven hundred twenty-six thousand, two hundred twenty-eight".