10506543550 has 24 divisors (see below), whose sum is σ = 19558341936. Its totient is φ = 4199139840.

The previous prime is 10506543533. The next prime is 10506543557. The reversal of 10506543550 is 5534560501.

It is a super-2 number, since 2×10506543550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506543557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25482 + ... + 147181.

It is an arithmetic number, because the mean of its divisors is an integer number (814930914).

Almost surely, 2^10506543550 is an apocalyptic number.

10506543550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10506543550 is a deficient number, since it is larger than the sum of its proper divisors (9051798386).

10506543550 is a wasteful number, since it uses less digits than its factorization.

10506543550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173892 (or 173887 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 10506543550 in words is "ten billion, five hundred six million, five hundred forty-three thousand, five hundred fifty".