53564448 has 144 divisors (see below), whose sum is σ = 167196960. Its totient is φ = 14966784.

The previous prime is 53564437. The next prime is 53564461. The reversal of 53564448 is 84446535.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 277440 + ... + 277632.

It is an arithmetic number, because the mean of its divisors is an integer number (1161090).

Almost surely, 2^53564448 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 53564448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83598480).

53564448 is an abundant number, since it is smaller than the sum of its proper divisors (113632512).

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

53564448 is a wasteful number, since it uses less digits than its factorization.

53564448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 264 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 53564448 is about 7318.7736677670. The cubic root of 53564448 is about 376.9573461254.

The spelling of 53564448 in words is "fifty-three million, five hundred sixty-four thousand, four hundred forty-eight".