53102448 has 120 divisors (see below), whose sum is σ = 171516800. Its totient is φ = 15023232.

The previous prime is 53102381. The next prime is 53102461. The reversal of 53102448 is 84420135.

It is a congruent number.

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, 139923 + ... + 140301.

Almost surely, 2^53102448 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 53102448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85758400).

53102448 is an abundant number, since it is smaller than the sum of its proper divisors (118414352).

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

53102448 is a wasteful number, since it uses less digits than its factorization.

53102448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53102448 is about 7287.1426499006. The cubic root of 53102448 is about 375.8704472941.

The spelling of 53102448 in words is "fifty-three million, one hundred two thousand, four hundred forty-eight".