101550530 has 8 divisors (see below), whose sum is σ = 182790972. Its totient is φ = 40620208.

The previous prime is 101550523. The next prime is 101550539. The reversal of 101550530 is 35055101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94458961 + 7091569 = 9719^2 + 2663^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101550539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5077517 + ... + 5077536.

Almost surely, 2^101550530 is an apocalyptic number.

101550530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101550530 is a deficient number, since it is larger than the sum of its proper divisors (81240442).

101550530 is a wasteful number, since it uses less digits than its factorization.

101550530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155060.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 101550530 is about 10077.2282895645. The cubic root of 101550530 is about 466.5455643811.

The spelling of 101550530 in words is "one hundred one million, five hundred fifty thousand, five hundred thirty".