385746055 has 4 divisors (see below), whose sum is σ = 462895272. Its totient is φ = 308596840.

The previous prime is 385746047. The next prime is 385746059. The reversal of 385746055 is 550647583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550647583 = 8147 ⋅67589.

It is not a de Polignac number, because 385746055 - 2³ = 385746047 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 (385746059) 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, 38574601 + ... + 38574610.

It is an arithmetic number, because the mean of its divisors is an integer number (115723818).

Almost surely, 2^385746055 is an apocalyptic number.

385746055 is a deficient number, since it is larger than the sum of its proper divisors (77149217).

385746055 is an equidigital number, since it uses as much as digits as its factorization.

385746055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77149216.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 385746055 is about 19640.4189110110. The cubic root of 385746055 is about 727.9482356373.

The spelling of 385746055 in words is "three hundred eighty-five million, seven hundred forty-six thousand, fifty-five".