53749244 has 12 divisors (see below), whose sum is σ = 94484544. Its totient is φ = 26753664.

The previous prime is 53749219. The next prime is 53749249. The reversal of 53749244 is 44294735.

It is a junction number, because it is equal to n+sod(n) for n = 53749198 and 53749207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53749249) 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, 29237 + ... + 31020.

It is an arithmetic number, because the mean of its divisors is an integer number (7873712).

Almost surely, 2^53749244 is an apocalyptic number.

It is an amenable number.

53749244 is a deficient number, since it is larger than the sum of its proper divisors (40735300).

53749244 is a wasteful number, since it uses less digits than its factorization.

53749244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60484 (or 60482 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 53749244 is about 7331.3875903542. The cubic root of 53749244 is about 377.3903463514.

The spelling of 53749244 in words is "fifty-three million, seven hundred forty-nine thousand, two hundred forty-four".