630055101 has 16 divisors (see below), whose sum is σ = 909933696. Its totient is φ = 385480896.

The previous prime is 630055091. The next prime is 630055121. The reversal of 630055101 is 101550036.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-630055101 is a prime.

It is a super-2 number, since 2×630055101² = 793938860592240402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630055121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39945 + ... + 53438.

It is an arithmetic number, because the mean of its divisors is an integer number (56870856).

Almost surely, 2^630055101 is an apocalyptic number.

It is an amenable number.

630055101 is a deficient number, since it is larger than the sum of its proper divisors (279878595).

630055101 is a wasteful number, since it uses less digits than its factorization.

630055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93572.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 630055101 is about 25100.8984102163. The cubic root of 630055101 is about 857.2868800886.

The spelling of 630055101 in words is "six hundred thirty million, fifty-five thousand, one hundred one".