10101550 has 12 divisors (see below), whose sum is σ = 18788976. Its totient is φ = 4040600.

The previous prime is 10101527. The next prime is 10101551. The reversal of 10101550 is 5510101.

It is a self number, because there is not a number n which added to its sum of digits gives 10101550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101551) 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 5 ways as a sum of consecutive naturals, for example, 100966 + ... + 101065.

It is an arithmetic number, because the mean of its divisors is an integer number (1565748).

Almost surely, 2^10101550 is an apocalyptic number.

10101550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101550 is a deficient number, since it is larger than the sum of its proper divisors (8687426).

10101550 is a wasteful number, since it uses less digits than its factorization.

10101550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202043 (or 202038 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 10101550 is about 3178.2935673094. The cubic root of 10101550 is about 216.1702903794.

Adding to 10101550 its reverse (5510101), we get a palindrome (15611651).

The spelling of 10101550 in words is "ten million, one hundred one thousand, five hundred fifty".