52867482921 has 64 divisors (see below), whose sum is σ = 87916308480. Its totient is φ = 31121496000.

The previous prime is 52867482917. The next prime is 52867482953. The reversal of 52867482921 is 12928476825.

52867482921 is a `hidden beast` number, since 5 + 286 + 74 + 8 + 292 + 1 = 666.

It is not a de Polignac number, because 52867482921 - 2² = 52867482917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52867482221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2300116 + ... + 2322986.

It is an arithmetic number, because the mean of its divisors is an integer number (1373692320).

Almost surely, 2^52867482921 is an apocalyptic number.

It is an amenable number.

52867482921 is a deficient number, since it is larger than the sum of its proper divisors (35048825559).

52867482921 is a wasteful number, since it uses less digits than its factorization.

52867482921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23115 (or 23109 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 52867482921 in words is "fifty-two billion, eight hundred sixty-seven million, four hundred eighty-two thousand, nine hundred twenty-one".