3215856055 has 8 divisors (see below), whose sum is σ = 3866889744. Its totient is φ = 2567443200.

The previous prime is 3215856047. The next prime is 3215856121. The reversal of 3215856055 is 5506585123.

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

It is not a de Polignac number, because 3215856055 - 2³ = 3215856047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3215855999 and 3215856017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652506 + ... + 657415.

It is an arithmetic number, because the mean of its divisors is an integer number (483361218).

Almost surely, 2^3215856055 is an apocalyptic number.

3215856055 is a deficient number, since it is larger than the sum of its proper divisors (651033689).

3215856055 is a wasteful number, since it uses less digits than its factorization.

3215856055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310417.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 3215856055 is about 56708.5183636462. The cubic root of 3215856055 is about 1476.0425156916.

The spelling of 3215856055 in words is "three billion, two hundred fifteen million, eight hundred fifty-six thousand, fifty-five".