52720371 has 12 divisors (see below), whose sum is σ = 83074680. Its totient is φ = 31951680.

The previous prime is 52720361. The next prime is 52720379. The reversal of 52720371 is 17302725.

It is not a de Polignac number, because 52720371 - 2¹⁰ = 52719347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52720379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266166 + ... + 266363.

It is an arithmetic number, because the mean of its divisors is an integer number (6922890).

Almost surely, 2^52720371 is an apocalyptic number.

52720371 is a deficient number, since it is larger than the sum of its proper divisors (30354309).

52720371 is a wasteful number, since it uses less digits than its factorization.

52720371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532546 (or 532543 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52720371 is about 7260.8794921827. The cubic root of 52720371 is about 374.9668023945.

The spelling of 52720371 in words is "fifty-two million, seven hundred twenty thousand, three hundred seventy-one".