385038548553 has 4 divisors (see below), whose sum is σ = 513384731408. Its totient is φ = 256692365700.

The previous prime is 385038548473. The next prime is 385038548563. The reversal of 385038548553 is 355845830583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 385038548553 - 2¹⁰ = 385038547529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385038548493 and 385038548502.

It is not an unprimeable number, because it can be changed into a prime (385038548563) 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, 64173091423 + ... + 64173091428.

It is an arithmetic number, because the mean of its divisors is an integer number (128346182852).

Almost surely, 2^385038548553 is an apocalyptic number.

It is an amenable number.

385038548553 is a deficient number, since it is larger than the sum of its proper divisors (128346182855).

385038548553 is a wasteful number, since it uses less digits than its factorization.

385038548553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128346182854.

The product of its (nonzero) digits is 34560000, while the sum is 57.

The spelling of 385038548553 in words is "three hundred eighty-five billion, thirty-eight million, five hundred forty-eight thousand, five hundred fifty-three".