1630055 has 8 divisors (see below), whose sum is σ = 2235552. Its totient is φ = 1117728.

The previous prime is 1630051. The next prime is 1630091. The reversal of 1630055 is 5500361.

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

It is a cyclic number.

It is not a de Polignac number, because 1630055 - 2² = 1630051 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 (1630051) 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, 23252 + ... + 23321.

It is an arithmetic number, because the mean of its divisors is an integer number (279444).

2^1630055 is an apocalyptic number.

1630055 is a deficient number, since it is larger than the sum of its proper divisors (605497).

1630055 is an equidigital number, since it uses as much as digits as its factorization.

1630055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46585.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1630055 is about 1276.7360729610. The cubic root of 1630055 is about 117.6885158551.

The spelling of 1630055 in words is "one million, six hundred thirty thousand, fifty-five".