53249028 has 48 divisors (see below), whose sum is σ = 142369920. Its totient is φ = 15174144.

The previous prime is 53248973. The next prime is 53249029. The reversal of 53249028 is 82094235.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53249028.

It is not an unprimeable number, because it can be changed into a prime (53249029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49278 + ... + 50346.

It is an arithmetic number, because the mean of its divisors is an integer number (2966040).

Almost surely, 2^53249028 is an apocalyptic number.

It is an amenable number.

53249028 is an abundant number, since it is smaller than the sum of its proper divisors (89120892).

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

53249028 is a wasteful number, since it uses less digits than its factorization.

53249028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 53249028 is about 7297.1931590167. The cubic root of 53249028 is about 376.2159710655.

The spelling of 53249028 in words is "fifty-three million, two hundred forty-nine thousand, twenty-eight".