53047392 has 96 divisors (see below), whose sum is σ = 148377600. Its totient is φ = 16547328.

The previous prime is 53047391. The next prime is 53047433. The reversal of 53047392 is 29374035.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53047391) 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, 231534 + ... + 231762.

It is an arithmetic number, because the mean of its divisors is an integer number (1545600).

Almost surely, 2^53047392 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 53047392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74188800).

53047392 is an abundant number, since it is smaller than the sum of its proper divisors (95330208).

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

53047392 is a wasteful number, since it uses less digits than its factorization.

53047392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53047392 is about 7283.3640579062. The cubic root of 53047392 is about 375.7405030072.

The spelling of 53047392 in words is "fifty-three million, forty-seven thousand, three hundred ninety-two".