49897424 has 20 divisors (see below), whose sum is σ = 96855780. Its totient is φ = 24902400.

The previous prime is 49897403. The next prime is 49897457. The reversal of 49897424 is 42479894.

It can be written as a sum of positive squares in 2 ways, for example, as 40704400 + 9193024 = 6380^2 + 3032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022 + ... + 12210.

It is an arithmetic number, because the mean of its divisors is an integer number (4842789).

Almost surely, 2^49897424 is an apocalyptic number.

It is an amenable number.

49897424 is a deficient number, since it is larger than the sum of its proper divisors (46958356).

49897424 is a wasteful number, since it uses less digits than its factorization.

49897424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5792 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 49897424 is about 7063.8108694953. The cubic root of 49897424 is about 368.1510485784.

The spelling of 49897424 in words is "forty-nine million, eight hundred ninety-seven thousand, four hundred twenty-four".