52721467 has 4 divisors (see below), whose sum is σ = 52740936. Its totient is φ = 52702000.

The previous prime is 52721443. The next prime is 52721479. The reversal of 52721467 is 76412725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52721467 - 2²³ = 44332859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52721567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4858 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (13185234).

Almost surely, 2^52721467 is an apocalyptic number.

52721467 is a deficient number, since it is larger than the sum of its proper divisors (19469).

52721467 is a wasteful number, since it uses less digits than its factorization.

52721467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468.

The product of its digits is 23520, while the sum is 34.

The square root of 52721467 is about 7260.9549647412. The cubic root of 52721467 is about 374.9694007625.

The spelling of 52721467 in words is "fifty-two million, seven hundred twenty-one thousand, four hundred sixty-seven".