101530550 has 48 divisors (see below), whose sum is σ = 206986752. Its totient is φ = 36746400.

The previous prime is 101530543. The next prime is 101530567. The reversal of 101530550 is 55035101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201599 + ... + 202101.

It is an arithmetic number, because the mean of its divisors is an integer number (4312224).

Almost surely, 2^101530550 is an apocalyptic number.

101530550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101530550 is an abundant number, since it is smaller than the sum of its proper divisors (105456202).

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

101530550 is a wasteful number, since it uses less digits than its factorization.

101530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 888 counting only the distinct ones).

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

The square root of 101530550 is about 10076.2368967785. The cubic root of 101530550 is about 466.5149648632.

Adding to 101530550 its reverse (55035101), we get a palindrome (156565651).

The spelling of 101530550 in words is "one hundred one million, five hundred thirty thousand, five hundred fifty".