52097972 has 24 divisors (see below), whose sum is σ = 93206400. Its totient is φ = 25474176.

The previous prime is 52097971. The next prime is 52097977. The reversal of 52097972 is 27979025.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52097971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34979 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (3883600).

Almost surely, 2^52097972 is an apocalyptic number.

It is an amenable number.

52097972 is a deficient number, since it is larger than the sum of its proper divisors (41108428).

52097972 is a wasteful number, since it uses less digits than its factorization.

52097972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 52097972 is about 7217.8924901941. The cubic root of 52097972 is about 373.4853798905.

The spelling of 52097972 in words is "fifty-two million, ninety-seven thousand, nine hundred seventy-two".