385521053 has 8 divisors (see below), whose sum is σ = 421367040. Its totient is φ = 351138240.

The previous prime is 385521047. The next prime is 385521061. The reversal of 385521053 is 350125583.

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

It is not a de Polignac number, because 385521053 - 2¹⁶ = 385455517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385521013) 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, 365243 + ... + 366296.

It is an arithmetic number, because the mean of its divisors is an integer number (52670880).

Almost surely, 2^385521053 is an apocalyptic number.

It is an amenable number.

385521053 is a deficient number, since it is larger than the sum of its proper divisors (35845987).

385521053 is a wasteful number, since it uses less digits than its factorization.

385521053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731587.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 385521053 is about 19634.6900408435. The cubic root of 385521053 is about 727.8066730188.

The spelling of 385521053 in words is "three hundred eighty-five million, five hundred twenty-one thousand, fifty-three".