50772228 has 24 divisors (see below), whose sum is σ = 127581888. Its totient is φ = 15622176.

The previous prime is 50772223. The next prime is 50772233. The reversal of 50772228 is 82227705.

It is an interprime number because it is at equal distance from previous prime (50772223) and next prime (50772233).

It is not an unprimeable number, because it can be changed into a prime (50772223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162576 + ... + 162887.

It is an arithmetic number, because the mean of its divisors is an integer number (5315912).

Almost surely, 2^50772228 is an apocalyptic number.

It is an amenable number.

50772228 is an abundant number, since it is smaller than the sum of its proper divisors (76809660).

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

50772228 is a wasteful number, since it uses less digits than its factorization.

50772228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325483 (or 325481 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 50772228 is about 7125.4633533546. The cubic root of 50772228 is about 370.2900768812.

The spelling of 50772228 in words is "fifty million, seven hundred seventy-two thousand, two hundred twenty-eight".