53771072 has 28 divisors (see below), whose sum is σ = 106968036. Its totient is φ = 26818560.

The previous prime is 53771071. The next prime is 53771089. The reversal of 53771072 is 27017735.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 41267776 = 3536^2 + 6424^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53771071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33848 + ... + 35400.

It is an arithmetic number, because the mean of its divisors is an integer number (3820287).

Almost surely, 2^53771072 is an apocalyptic number.

It is an amenable number.

53771072 is a deficient number, since it is larger than the sum of its proper divisors (53196964).

53771072 is a wasteful number, since it uses less digits than its factorization.

53771072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 53771072 is about 7332.8761069583. The cubic root of 53771072 is about 377.4414265217.

The spelling of 53771072 in words is "fifty-three million, seven hundred seventy-one thousand, seventy-two".