53771371 has 4 divisors (see below), whose sum is σ = 55021912. Its totient is φ = 52520832.

The previous prime is 53771363. The next prime is 53771381. The reversal of 53771371 is 17317735.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53771371 - 2³ = 53771363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53771381) 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, 625206 + ... + 625291.

It is an arithmetic number, because the mean of its divisors is an integer number (13755478).

Almost surely, 2^53771371 is an apocalyptic number.

53771371 is a deficient number, since it is larger than the sum of its proper divisors (1250541).

53771371 is a wasteful number, since it uses less digits than its factorization.

53771371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250540.

The product of its digits is 15435, while the sum is 34.

The square root of 53771371 is about 7332.8964945648. The cubic root of 53771371 is about 377.4421261220.

The spelling of 53771371 in words is "fifty-three million, seven hundred seventy-one thousand, three hundred seventy-one".