10000545550 has 12 divisors (see below), whose sum is σ = 18601014816. Its totient is φ = 4000218200.

The previous prime is 10000545523. The next prime is 10000545553. The reversal of 10000545550 is 5554500001.

It is a super-2 number, since 2×10000545550² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000545553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100005406 + ... + 100005505.

It is an arithmetic number, because the mean of its divisors is an integer number (1550084568).

Almost surely, 2^10000545550 is an apocalyptic number.

10000545550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10000545550 is a deficient number, since it is larger than the sum of its proper divisors (8600469266).

10000545550 is a wasteful number, since it uses less digits than its factorization.

10000545550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200010923 (or 200010918 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 10000545550 in words is "ten billion, five hundred forty-five thousand, five hundred fifty".