53521048 has 32 divisors (see below), whose sum is σ = 114948000. Its totient is φ = 22885632.

The previous prime is 53521033. The next prime is 53521067. The reversal of 53521048 is 84012535.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33778 + ... + 35326.

It is an arithmetic number, because the mean of its divisors is an integer number (3592125).

Almost surely, 2^53521048 is an apocalyptic number.

It is an amenable number.

53521048 is an abundant number, since it is smaller than the sum of its proper divisors (61426952).

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

53521048 is a wasteful number, since it uses less digits than its factorization.

53521048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53521048 is about 7315.8080893364. The cubic root of 53521048 is about 376.8555101135.

It can be divided in two parts, 5352 and 1048, that added together give a square (6400 = 80²).

The spelling of 53521048 in words is "fifty-three million, five hundred twenty-one thousand, forty-eight".