52992921 has 8 divisors (see below), whose sum is σ = 70776064. Its totient is φ = 35269200.

The previous prime is 52992911. The next prime is 52992949. The reversal of 52992921 is 12929925.

52992921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52992921 - 2¹⁴ = 52976537 is a prime.

It is a super-3 number, since 3×52992921³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52992921.

It is not an unprimeable number, because it can be changed into a prime (52992911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12730 + ... + 16371.

It is an arithmetic number, because the mean of its divisors is an integer number (8847008).

Almost surely, 2^52992921 is an apocalyptic number.

It is an amenable number.

52992921 is a deficient number, since it is larger than the sum of its proper divisors (17783143).

52992921 is a wasteful number, since it uses less digits than its factorization.

52992921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29711.

The product of its digits is 29160, while the sum is 39.

The square root of 52992921 is about 7279.6236853288. The cubic root of 52992921 is about 375.6118509373.

The spelling of 52992921 in words is "fifty-two million, nine hundred ninety-two thousand, nine hundred twenty-one".