52722901 has 8 divisors (see below), whose sum is σ = 65732544. Its totient is φ = 41082720.

The previous prime is 52722893. The next prime is 52722953. The reversal of 52722901 is 10922725.

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

It is not a de Polignac number, because 52722901 - 2³ = 52722893 is a prime.

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 52722901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52722001) 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, 342280 + ... + 342433.

It is an arithmetic number, because the mean of its divisors is an integer number (8216568).

Almost surely, 2^52722901 is an apocalyptic number.

It is an amenable number.

52722901 is a deficient number, since it is larger than the sum of its proper divisors (13009643).

52722901 is a wasteful number, since it uses less digits than its factorization.

52722901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684731.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 52722901 is about 7261.0537114113. The cubic root of 52722901 is about 374.9728003976.

The spelling of 52722901 in words is "fifty-two million, seven hundred twenty-two thousand, nine hundred one".