53211373 has 4 divisors (see below), whose sum is σ = 53252800. Its totient is φ = 53169948.

The previous prime is 53211371. The next prime is 53211391. The reversal of 53211373 is 37311235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53211373 - 2¹ = 53211371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211371) 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, 18723 + ... + 21376.

It is an arithmetic number, because the mean of its divisors is an integer number (13313200).

Almost surely, 2^53211373 is an apocalyptic number.

It is an amenable number.

53211373 is a deficient number, since it is larger than the sum of its proper divisors (41427).

53211373 is a wasteful number, since it uses less digits than its factorization.

53211373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41426.

The product of its digits is 1890, while the sum is 25.

The square root of 53211373 is about 7294.6126010913. The cubic root of 53211373 is about 376.1272698973.

The spelling of 53211373 in words is "fifty-three million, two hundred eleven thousand, three hundred seventy-three".