53047284 has 12 divisors (see below), whose sum is σ = 123777024. Its totient is φ = 17682424.

The previous prime is 53047277. The next prime is 53047303. The reversal of 53047284 is 48274035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210292 + ... + 2210315.

It is an arithmetic number, because the mean of its divisors is an integer number (10314752).

Almost surely, 2^53047284 is an apocalyptic number.

It is an amenable number.

53047284 is an abundant number, since it is smaller than the sum of its proper divisors (70729740).

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

53047284 is a wasteful number, since it uses less digits than its factorization.

53047284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420614 (or 4420612 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 53047284 is about 7283.3566437461. The cubic root of 53047284 is about 375.7402480151.

The spelling of 53047284 in words is "fifty-three million, forty-seven thousand, two hundred eighty-four".