49540228 has 12 divisors (see below), whose sum is σ = 87589852. Its totient is φ = 24514560.

The previous prime is 49540223. The next prime is 49540241. The reversal of 49540228 is 82204594.

It can be written as a sum of positive squares in 2 ways, for example, as 20142144 + 29398084 = 4488^2 + 5422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49540193 and 49540202.

It is not an unprimeable number, because it can be changed into a prime (49540223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63453 + ... + 64228.

Almost surely, 2^49540228 is an apocalyptic number.

It is an amenable number.

49540228 is a deficient number, since it is larger than the sum of its proper divisors (38049624).

49540228 is a wasteful number, since it uses less digits than its factorization.

49540228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127782 (or 127780 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 49540228 is about 7038.4819386001. The cubic root of 49540228 is about 367.2704611930.

The spelling of 49540228 in words is "forty-nine million, five hundred forty thousand, two hundred twenty-eight".