10531550 has 12 divisors (see below), whose sum is σ = 19588776. Its totient is φ = 4212600.

The previous prime is 10531523. The next prime is 10531561. The reversal of 10531550 is 5513501.

It is a happy number.

10531550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10531550² = 221827090805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105266 + ... + 105365.

It is an arithmetic number, because the mean of its divisors is an integer number (1632398).

Almost surely, 2^10531550 is an apocalyptic number.

10531550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10531550 is a deficient number, since it is larger than the sum of its proper divisors (9057226).

10531550 is a wasteful number, since it uses less digits than its factorization.

10531550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210643 (or 210638 counting only the distinct ones).

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

The square root of 10531550 is about 3245.2349683806. The cubic root of 10531550 is about 219.1950612266.

The spelling of 10531550 in words is "ten million, five hundred thirty-one thousand, five hundred fifty".