53749296 has 120 divisors (see below), whose sum is σ = 158910960. Its totient is φ = 16934400.

The previous prime is 53749273. The next prime is 53749301. The reversal of 53749296 is 69294735.

It is a happy number.

Its product of digits (408240) is a multiple of the sum of its prime factors (315).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254631 + ... + 254841.

It is an arithmetic number, because the mean of its divisors is an integer number (1324258).

Almost surely, 2^53749296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53749296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79455480).

53749296 is an abundant number, since it is smaller than the sum of its proper divisors (105161664).

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

53749296 is a wasteful number, since it uses less digits than its factorization.

53749296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 306 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 53749296 is about 7331.3911367489. The cubic root of 53749296 is about 377.3904680542.

It can be divided in two parts, 53749 and 296, that added together give a palindrome (54045).

The spelling of 53749296 in words is "fifty-three million, seven hundred forty-nine thousand, two hundred ninety-six".