49897224 has 48 divisors (see below), whose sum is σ = 145536300. Its totient is φ = 15352704.

The previous prime is 49897223. The next prime is 49897271. The reversal of 49897224 is 42279894.

It can be written as a sum of positive squares in 2 ways, for example, as 45562500 + 4334724 = 6750^2 + 2082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49897224.

It is not an unprimeable number, because it can be changed into a prime (49897223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25719 + ... + 27590.

Almost surely, 2^49897224 is an apocalyptic number.

It is an amenable number.

49897224 is an abundant number, since it is smaller than the sum of its proper divisors (95639076).

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

49897224 is a wasteful number, since it uses less digits than its factorization.

49897224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53334 (or 53327 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 49897224 is about 7063.7967128167. The cubic root of 49897224 is about 368.1505567006.

The spelling of 49897224 in words is "forty-nine million, eight hundred ninety-seven thousand, two hundred twenty-four".