385555056 has 20 divisors (see below), whose sum is σ = 996017352. Its totient is φ = 128518336.

The previous prime is 385555043. The next prime is 385555057. The reversal of 385555056 is 650555583.

It is a junction number, because it is equal to n+sod(n) for n = 385554999 and 385555017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385555057) 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, 4016151 + ... + 4016246.

Almost surely, 2^385555056 is an apocalyptic number.

It is an amenable number.

385555056 is an abundant number, since it is smaller than the sum of its proper divisors (610462296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385555056 is a wasteful number, since it uses less digits than its factorization.

385555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032408 (or 8032402 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The square root of 385555056 is about 19635.5559126804. Note that the first 3 decimals coincide. The cubic root of 385555056 is about 727.8280699330.

The spelling of 385555056 in words is "three hundred eighty-five million, five hundred fifty-five thousand, fifty-six".