52213972 has 12 divisors (see below), whose sum is σ = 92475936. Its totient is φ = 25792280.

The previous prime is 52213969. The next prime is 52213981. The reversal of 52213972 is 27931225.

52213972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78304 + ... + 78967.

It is an arithmetic number, because the mean of its divisors is an integer number (7706328).

Almost surely, 2^52213972 is an apocalyptic number.

It is an amenable number.

52213972 is a deficient number, since it is larger than the sum of its proper divisors (40261964).

52213972 is a wasteful number, since it uses less digits than its factorization.

52213972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157358 (or 157356 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 52213972 is about 7225.9236087852. The cubic root of 52213972 is about 373.7623720471.

The spelling of 52213972 in words is "fifty-two million, two hundred thirteen thousand, nine hundred seventy-two".