52973121 has 16 divisors (see below), whose sum is σ = 74528000. Its totient is φ = 33375888.

The previous prime is 52973099. The next prime is 52973131. The reversal of 52973121 is 12137925.

It is not a de Polignac number, because 52973121 - 2⁶ = 52973057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52973131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30330 + ... + 32028.

It is an arithmetic number, because the mean of its divisors is an integer number (4658000).

Almost surely, 2^52973121 is an apocalyptic number.

It is an amenable number.

52973121 is a deficient number, since it is larger than the sum of its proper divisors (21554879).

52973121 is a wasteful number, since it uses less digits than its factorization.

52973121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268.

The product of its digits is 3780, while the sum is 30.

The square root of 52973121 is about 7278.2635978645. The cubic root of 52973121 is about 375.5650645556.

The spelling of 52973121 in words is "fifty-two million, nine hundred seventy-three thousand, one hundred twenty-one".