52213973 has 4 divisors (see below), whose sum is σ = 59673120. Its totient is φ = 44754828.

The previous prime is 52213969. The next prime is 52213981. The reversal of 52213973 is 37931225.

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 52213973 - 2² = 52213969 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 (52213573) 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, 3729563 + ... + 3729576.

It is an arithmetic number, because the mean of its divisors is an integer number (14918280).

Almost surely, 2^52213973 is an apocalyptic number.

It is an amenable number.

52213973 is a deficient number, since it is larger than the sum of its proper divisors (7459147).

52213973 is an equidigital number, since it uses as much as digits as its factorization.

52213973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7459146.

The product of its digits is 11340, while the sum is 32.

The square root of 52213973 is about 7225.9236779806. The cubic root of 52213973 is about 373.7623744332.

The spelling of 52213973 in words is "fifty-two million, two hundred thirteen thousand, nine hundred seventy-three".